Home / 67,515.56-93,171.49-39,223.07

Finding the Fourth Proportional to 67,515.56, 93,171.49 and 39,223.07

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Solution

The fourth proportional to 67,515.56, 93,171.49 and 39,223.07 is: 54,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,515.56 : 93,171.49 = 39,223.07 : x
  2. Step 2: Convert to fraction form
    67,515.56/93,171.49 = 39,223.07/x
  3. Step 3: Cross multiply
    67,515.56x = 93,171.49 × 39,223.07
  4. Step 4: Simplify right side
    67,515.56x = 3,654,472,009.15
  5. Step 5: Solve for x
    x = 3,654,472,009.15/67,515.56
  6. Step 6: Final answer
    x = 54,127.85

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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.