Home / 109,631.81-151,291.91-59,330.81

Finding the Fourth Proportional to 109,631.81, 151,291.91 and 59,330.81

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Solution

The fourth proportional to 109,631.81, 151,291.91 and 59,330.81 is: 81,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,631.81 : 151,291.91 = 59,330.81 : x
  2. Step 2: Convert to fraction form
    109,631.81/151,291.91 = 59,330.81/x
  3. Step 3: Cross multiply
    109,631.81x = 151,291.91 × 59,330.81
  4. Step 4: Simplify right side
    109,631.81x = 8,976,272,093.30
  5. Step 5: Solve for x
    x = 8,976,272,093.30/109,631.81
  6. Step 6: Final answer
    x = 81,876.53

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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.