Home / 109,731.14-151,429.17-59,430.14

Finding the Fourth Proportional to 109,731.14, 151,429.17 and 59,430.14

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Solution

The fourth proportional to 109,731.14, 151,429.17 and 59,430.14 is: 82,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,731.14 : 151,429.17 = 59,430.14 : x
  2. Step 2: Convert to fraction form
    109,731.14/151,429.17 = 59,430.14/x
  3. Step 3: Cross multiply
    109,731.14x = 151,429.17 × 59,430.14
  4. Step 4: Simplify right side
    109,731.14x = 8,999,456,773.18
  5. Step 5: Solve for x
    x = 8,999,456,773.18/109,731.14
  6. Step 6: Final answer
    x = 82,013.70

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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.