Home / 99,424.28-137,160.16-59,115.14

Finding the Fourth Proportional to 99,424.28, 137,160.16 and 59,115.14

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Solution

The fourth proportional to 99,424.28, 137,160.16 and 59,115.14 is: 81,551.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,424.28 : 137,160.16 = 59,115.14 : x
  2. Step 2: Convert to fraction form
    99,424.28/137,160.16 = 59,115.14/x
  3. Step 3: Cross multiply
    99,424.28x = 137,160.16 × 59,115.14
  4. Step 4: Simplify right side
    99,424.28x = 8,108,242,060.82
  5. Step 5: Solve for x
    x = 8,108,242,060.82/99,424.28
  6. Step 6: Final answer
    x = 81,551.93

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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.