Home / 83,260.80-124,790.56-48,128.16

Finding the Fourth Proportional to 83,260.80, 124,790.56 and 48,128.16

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Solution

The fourth proportional to 83,260.80, 124,790.56 and 48,128.16 is: 72,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,260.80 : 124,790.56 = 48,128.16 : x
  2. Step 2: Convert to fraction form
    83,260.80/124,790.56 = 48,128.16/x
  3. Step 3: Cross multiply
    83,260.80x = 124,790.56 × 48,128.16
  4. Step 4: Simplify right side
    83,260.80x = 6,005,940,038.17
  5. Step 5: Solve for x
    x = 6,005,940,038.17/83,260.80
  6. Step 6: Final answer
    x = 72,134.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.