Home / 105,174.27-145,159.20-62,151.93

Finding the Fourth Proportional to 105,174.27, 145,159.20 and 62,151.93

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Solution

The fourth proportional to 105,174.27, 145,159.20 and 62,151.93 is: 85,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,174.27 : 145,159.20 = 62,151.93 : x
  2. Step 2: Convert to fraction form
    105,174.27/145,159.20 = 62,151.93/x
  3. Step 3: Cross multiply
    105,174.27x = 145,159.20 × 62,151.93
  4. Step 4: Simplify right side
    105,174.27x = 9,021,924,437.26
  5. Step 5: Solve for x
    x = 9,021,924,437.26/105,174.27
  6. Step 6: Final answer
    x = 85,780.72

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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.