Home / 83,678.18-125,517.30-52,535.30

Finding the Fourth Proportional to 83,678.18, 125,517.30 and 52,535.30

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Solution

The fourth proportional to 83,678.18, 125,517.30 and 52,535.30 is: 78,802.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,678.18 : 125,517.30 = 52,535.30 : x
  2. Step 2: Convert to fraction form
    83,678.18/125,517.30 = 52,535.30/x
  3. Step 3: Cross multiply
    83,678.18x = 125,517.30 × 52,535.30
  4. Step 4: Simplify right side
    83,678.18x = 6,594,089,010.69
  5. Step 5: Solve for x
    x = 6,594,089,010.69/83,678.18
  6. Step 6: Final answer
    x = 78,802.97

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1.5x scale

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.