Home / 106,117.64-146,443.27-57,719.96

Finding the Fourth Proportional to 106,117.64, 146,443.27 and 57,719.96

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Solution

The fourth proportional to 106,117.64, 146,443.27 and 57,719.96 is: 79,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,117.64 : 146,443.27 = 57,719.96 : x
  2. Step 2: Convert to fraction form
    106,117.64/146,443.27 = 57,719.96/x
  3. Step 3: Cross multiply
    106,117.64x = 146,443.27 × 57,719.96
  4. Step 4: Simplify right side
    106,117.64x = 8,452,699,614.11
  5. Step 5: Solve for x
    x = 8,452,699,614.11/106,117.64
  6. Step 6: Final answer
    x = 79,654.04

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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.