Home / 107,476.17-148,305.33-62,147.31

Finding the Fourth Proportional to 107,476.17, 148,305.33 and 62,147.31

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Solution

The fourth proportional to 107,476.17, 148,305.33 and 62,147.31 is: 85,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,476.17 : 148,305.33 = 62,147.31 : x
  2. Step 2: Convert to fraction form
    107,476.17/148,305.33 = 62,147.31/x
  3. Step 3: Cross multiply
    107,476.17x = 148,305.33 × 62,147.31
  4. Step 4: Simplify right side
    107,476.17x = 9,216,777,318.16
  5. Step 5: Solve for x
    x = 9,216,777,318.16/107,476.17
  6. Step 6: Final answer
    x = 85,756.47

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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.