Home / 59,115.12-81,553.12-38,946.12

Finding the Fourth Proportional to 59,115.12, 81,553.12 and 38,946.12

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Solution

The fourth proportional to 59,115.12, 81,553.12 and 38,946.12 is: 53,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,115.12 : 81,553.12 = 38,946.12 : x
  2. Step 2: Convert to fraction form
    59,115.12/81,553.12 = 38,946.12/x
  3. Step 3: Cross multiply
    59,115.12x = 81,553.12 × 38,946.12
  4. Step 4: Simplify right side
    59,115.12x = 3,176,177,597.89
  5. Step 5: Solve for x
    x = 3,176,177,597.89/59,115.12
  6. Step 6: Final answer
    x = 53,728.68

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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.