Home / 107,511.52-148,344.24-62,790.88

Finding the Fourth Proportional to 107,511.52, 148,344.24 and 62,790.88

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Solution

The fourth proportional to 107,511.52, 148,344.24 and 62,790.88 is: 86,638.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,511.52 : 148,344.24 = 62,790.88 : x
  2. Step 2: Convert to fraction form
    107,511.52/148,344.24 = 62,790.88/x
  3. Step 3: Cross multiply
    107,511.52x = 148,344.24 × 62,790.88
  4. Step 4: Simplify right side
    107,511.52x = 9,314,665,372.53
  5. Step 5: Solve for x
    x = 9,314,665,372.53/107,511.52
  6. Step 6: Final answer
    x = 86,638.77

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1.5x scale

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.