Home / 107,239.38-147,966.54-61,907.52

Finding the Fourth Proportional to 107,239.38, 147,966.54 and 61,907.52

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Solution

The fourth proportional to 107,239.38, 147,966.54 and 61,907.52 is: 85,418.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,239.38 : 147,966.54 = 61,907.52 : x
  2. Step 2: Convert to fraction form
    107,239.38/147,966.54 = 61,907.52/x
  3. Step 3: Cross multiply
    107,239.38x = 147,966.54 × 61,907.52
  4. Step 4: Simplify right side
    107,239.38x = 9,160,241,534.38
  5. Step 5: Solve for x
    x = 9,160,241,534.38/107,239.38
  6. Step 6: Final answer
    x = 85,418.64

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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.