Home / 107,177.48-147,902.64-61,851.92

Finding the Fourth Proportional to 107,177.48, 147,902.64 and 61,851.92

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Solution

The fourth proportional to 107,177.48, 147,902.64 and 61,851.92 is: 85,354.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,177.48 : 147,902.64 = 61,851.92 : x
  2. Step 2: Convert to fraction form
    107,177.48/147,902.64 = 61,851.92/x
  3. Step 3: Cross multiply
    107,177.48x = 147,902.64 × 61,851.92
  4. Step 4: Simplify right side
    107,177.48x = 9,148,062,257.07
  5. Step 5: Solve for x
    x = 9,148,062,257.07/107,177.48
  6. Step 6: Final answer
    x = 85,354.33

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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.