Home / 99,172.29-136,838.52-58,898.69

Finding the Fourth Proportional to 99,172.29, 136,838.52 and 58,898.69

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Solution

The fourth proportional to 99,172.29, 136,838.52 and 58,898.69 is: 81,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,172.29 : 136,838.52 = 58,898.69 : x
  2. Step 2: Convert to fraction form
    99,172.29/136,838.52 = 58,898.69/x
  3. Step 3: Cross multiply
    99,172.29x = 136,838.52 × 58,898.69
  4. Step 4: Simplify right side
    99,172.29x = 8,059,609,177.62
  5. Step 5: Solve for x
    x = 8,059,609,177.62/99,172.29
  6. Step 6: Final answer
    x = 81,268.76

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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.