Home / 98,830.60-136,330.88-58,505.06

Finding the Fourth Proportional to 98,830.60, 136,330.88 and 58,505.06

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Solution

The fourth proportional to 98,830.60, 136,330.88 and 58,505.06 is: 80,704.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,830.60 : 136,330.88 = 58,505.06 : x
  2. Step 2: Convert to fraction form
    98,830.60/136,330.88 = 58,505.06/x
  3. Step 3: Cross multiply
    98,830.60x = 136,330.88 × 58,505.06
  4. Step 4: Simplify right side
    98,830.60x = 7,976,046,314.25
  5. Step 5: Solve for x
    x = 7,976,046,314.25/98,830.60
  6. Step 6: Final answer
    x = 80,704.22

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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.