Home / 109,632.69-151,293.12-59,331.69

Finding the Fourth Proportional to 109,632.69, 151,293.12 and 59,331.69

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Solution

The fourth proportional to 109,632.69, 151,293.12 and 59,331.69 is: 81,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,632.69 : 151,293.12 = 59,331.69 : x
  2. Step 2: Convert to fraction form
    109,632.69/151,293.12 = 59,331.69/x
  3. Step 3: Cross multiply
    109,632.69x = 151,293.12 × 59,331.69
  4. Step 4: Simplify right side
    109,632.69x = 8,976,476,494.97
  5. Step 5: Solve for x
    x = 8,976,476,494.97/109,632.69
  6. Step 6: Final answer
    x = 81,877.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.