Home / 67,503.12-93,125.42-38,816.29

Finding the Fourth Proportional to 67,503.12, 93,125.42 and 38,816.29

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Solution

The fourth proportional to 67,503.12, 93,125.42 and 38,816.29 is: 53,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,503.12 : 93,125.42 = 38,816.29 : x
  2. Step 2: Convert to fraction form
    67,503.12/93,125.42 = 38,816.29/x
  3. Step 3: Cross multiply
    67,503.12x = 93,125.42 × 38,816.29
  4. Step 4: Simplify right side
    67,503.12x = 3,614,783,224.23
  5. Step 5: Solve for x
    x = 3,614,783,224.23/67,503.12
  6. Step 6: Final answer
    x = 53,549.87

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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.