Home / 99,110.91-136,773.17-53,788.92

Finding the Fourth Proportional to 99,110.91, 136,773.17 and 53,788.92

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Solution

The fourth proportional to 99,110.91, 136,773.17 and 53,788.92 is: 74,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,110.91 : 136,773.17 = 53,788.92 : x
  2. Step 2: Convert to fraction form
    99,110.91/136,773.17 = 53,788.92/x
  3. Step 3: Cross multiply
    99,110.91x = 136,773.17 × 53,788.92
  4. Step 4: Simplify right side
    99,110.91x = 7,356,881,099.28
  5. Step 5: Solve for x
    x = 7,356,881,099.28/99,110.91
  6. Step 6: Final answer
    x = 74,228.77

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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.