Home / 99,053.96-136,639.14-58,728.92

Finding the Fourth Proportional to 99,053.96, 136,639.14 and 58,728.92

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Solution

The fourth proportional to 99,053.96, 136,639.14 and 58,728.92 is: 81,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,053.96 : 136,639.14 = 58,728.92 : x
  2. Step 2: Convert to fraction form
    99,053.96/136,639.14 = 58,728.92/x
  3. Step 3: Cross multiply
    99,053.96x = 136,639.14 × 58,728.92
  4. Step 4: Simplify right side
    99,053.96x = 8,024,669,121.93
  5. Step 5: Solve for x
    x = 8,024,669,121.93/99,053.96
  6. Step 6: Final answer
    x = 81,013.11

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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.