Home / 109,631.69-151,291.74-59,330.69

Finding the Fourth Proportional to 109,631.69, 151,291.74 and 59,330.69

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Solution

The fourth proportional to 109,631.69, 151,291.74 and 59,330.69 is: 81,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,631.69 : 151,291.74 = 59,330.69 : x
  2. Step 2: Convert to fraction form
    109,631.69/151,291.74 = 59,330.69/x
  3. Step 3: Cross multiply
    109,631.69x = 151,291.74 × 59,330.69
  4. Step 4: Simplify right side
    109,631.69x = 8,976,243,325.50
  5. Step 5: Solve for x
    x = 8,976,243,325.50/109,631.69
  6. Step 6: Final answer
    x = 81,876.36

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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.