Home / 98,490.04-135,951.18-58,217.68

Finding the Fourth Proportional to 98,490.04, 135,951.18 and 58,217.68

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Solution

The fourth proportional to 98,490.04, 135,951.18 and 58,217.68 is: 80,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,490.04 : 135,951.18 = 58,217.68 : x
  2. Step 2: Convert to fraction form
    98,490.04/135,951.18 = 58,217.68/x
  3. Step 3: Cross multiply
    98,490.04x = 135,951.18 × 58,217.68
  4. Step 4: Simplify right side
    98,490.04x = 7,914,762,292.86
  5. Step 5: Solve for x
    x = 7,914,762,292.86/98,490.04
  6. Step 6: Final answer
    x = 80,361.04

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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.