Home / 101,861.02-152,799.70-38,711.40

Finding the Fourth Proportional to 101,861.02, 152,799.70 and 38,711.40

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Solution

The fourth proportional to 101,861.02, 152,799.70 and 38,711.40 is: 58,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,861.02 : 152,799.70 = 38,711.40 : x
  2. Step 2: Convert to fraction form
    101,861.02/152,799.70 = 38,711.40/x
  3. Step 3: Cross multiply
    101,861.02x = 152,799.70 × 38,711.40
  4. Step 4: Simplify right side
    101,861.02x = 5,915,090,306.58
  5. Step 5: Solve for x
    x = 5,915,090,306.58/101,861.02
  6. Step 6: Final answer
    x = 58,070.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.