Home / 113,015.52-155,966.28-62,714.52

Finding the Fourth Proportional to 113,015.52, 155,966.28 and 62,714.52

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Solution

The fourth proportional to 113,015.52, 155,966.28 and 62,714.52 is: 86,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,015.52 : 155,966.28 = 62,714.52 : x
  2. Step 2: Convert to fraction form
    113,015.52/155,966.28 = 62,714.52/x
  3. Step 3: Cross multiply
    113,015.52x = 155,966.28 × 62,714.52
  4. Step 4: Simplify right side
    113,015.52x = 9,781,350,386.39
  5. Step 5: Solve for x
    x = 9,781,350,386.39/113,015.52
  6. Step 6: Final answer
    x = 86,548.74

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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.