Home / 111,487.20-153,849.15-60,497.70

Finding the Fourth Proportional to 111,487.20, 153,849.15 and 60,497.70

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Solution

The fourth proportional to 111,487.20, 153,849.15 and 60,497.70 is: 83,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,487.20 : 153,849.15 = 60,497.70 : x
  2. Step 2: Convert to fraction form
    111,487.20/153,849.15 = 60,497.70/x
  3. Step 3: Cross multiply
    111,487.20x = 153,849.15 × 60,497.70
  4. Step 4: Simplify right side
    111,487.20x = 9,307,519,721.96
  5. Step 5: Solve for x
    x = 9,307,519,721.96/111,487.20
  6. Step 6: Final answer
    x = 83,485.10

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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.