Home / 116,956.27-161,400.56-64,569.87

Finding the Fourth Proportional to 116,956.27, 161,400.56 and 64,569.87

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Solution

The fourth proportional to 116,956.27, 161,400.56 and 64,569.87 is: 89,106.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,956.27 : 161,400.56 = 64,569.87 : x
  2. Step 2: Convert to fraction form
    116,956.27/161,400.56 = 64,569.87/x
  3. Step 3: Cross multiply
    116,956.27x = 161,400.56 × 64,569.87
  4. Step 4: Simplify right side
    116,956.27x = 10,421,613,177.13
  5. Step 5: Solve for x
    x = 10,421,613,177.13/116,956.27
  6. Step 6: Final answer
    x = 89,106.92

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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.