Home / 67,515.81-93,171.83-39,223.32

Finding the Fourth Proportional to 67,515.81, 93,171.83 and 39,223.32

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Solution

The fourth proportional to 67,515.81, 93,171.83 and 39,223.32 is: 54,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,515.81 : 93,171.83 = 39,223.32 : x
  2. Step 2: Convert to fraction form
    67,515.81/93,171.83 = 39,223.32/x
  3. Step 3: Cross multiply
    67,515.81x = 93,171.83 × 39,223.32
  4. Step 4: Simplify right side
    67,515.81x = 3,654,508,503.08
  5. Step 5: Solve for x
    x = 3,654,508,503.08/67,515.81
  6. Step 6: Final answer
    x = 54,128.19

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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.