Home / 98,687.92-136,185.96-56,260.12

Finding the Fourth Proportional to 98,687.92, 136,185.96 and 56,260.12

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Solution

The fourth proportional to 98,687.92, 136,185.96 and 56,260.12 is: 77,637.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,687.92 : 136,185.96 = 56,260.12 : x
  2. Step 2: Convert to fraction form
    98,687.92/136,185.96 = 56,260.12/x
  3. Step 3: Cross multiply
    98,687.92x = 136,185.96 × 56,260.12
  4. Step 4: Simplify right side
    98,687.92x = 7,661,838,451.92
  5. Step 5: Solve for x
    x = 7,661,838,451.92/98,687.92
  6. Step 6: Final answer
    x = 77,637.04

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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.