Home / 129,070.60-193,655.54-62,505.61

Finding the Fourth Proportional to 129,070.60, 193,655.54 and 62,505.61

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Solution

The fourth proportional to 129,070.60, 193,655.54 and 62,505.61 is: 93,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,070.60 : 193,655.54 = 62,505.61 : x
  2. Step 2: Convert to fraction form
    129,070.60/193,655.54 = 62,505.61/x
  3. Step 3: Cross multiply
    129,070.60x = 193,655.54 × 62,505.61
  4. Step 4: Simplify right side
    129,070.60x = 12,104,557,329.70
  5. Step 5: Solve for x
    x = 12,104,557,329.70/129,070.60
  6. Step 6: Final answer
    x = 93,782.45

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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.