Home / 138,543.79-207,824.46-58,566.85

Finding the Fourth Proportional to 138,543.79, 207,824.46 and 58,566.85

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Solution

The fourth proportional to 138,543.79, 207,824.46 and 58,566.85 is: 87,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,543.79 : 207,824.46 = 58,566.85 : x
  2. Step 2: Convert to fraction form
    138,543.79/207,824.46 = 58,566.85/x
  3. Step 3: Cross multiply
    138,543.79x = 207,824.46 × 58,566.85
  4. Step 4: Simplify right side
    138,543.79x = 12,171,623,975.15
  5. Step 5: Solve for x
    x = 12,171,623,975.15/138,543.79
  6. Step 6: Final answer
    x = 87,853.98

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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.