Home / 112,966.52-155,898.90-62,665.56

Finding the Fourth Proportional to 112,966.52, 155,898.90 and 62,665.56

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Solution

The fourth proportional to 112,966.52, 155,898.90 and 62,665.56 is: 86,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,966.52 : 155,898.90 = 62,665.56 : x
  2. Step 2: Convert to fraction form
    112,966.52/155,898.90 = 62,665.56/x
  3. Step 3: Cross multiply
    112,966.52x = 155,898.90 × 62,665.56
  4. Step 4: Simplify right side
    112,966.52x = 9,769,491,871.88
  5. Step 5: Solve for x
    x = 9,769,491,871.88/112,966.52
  6. Step 6: Final answer
    x = 86,481.30

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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.