Home / 99,746.28-137,629.68-63,462.15

Finding the Fourth Proportional to 99,746.28, 137,629.68 and 63,462.15

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Solution

The fourth proportional to 99,746.28, 137,629.68 and 63,462.15 is: 87,564.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,746.28 : 137,629.68 = 63,462.15 : x
  2. Step 2: Convert to fraction form
    99,746.28/137,629.68 = 63,462.15/x
  3. Step 3: Cross multiply
    99,746.28x = 137,629.68 × 63,462.15
  4. Step 4: Simplify right side
    99,746.28x = 8,734,275,396.61
  5. Step 5: Solve for x
    x = 8,734,275,396.61/99,746.28
  6. Step 6: Final answer
    x = 87,564.92

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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.