Home / 83,731.70-125,587.64-23,765.47

Finding the Fourth Proportional to 83,731.70, 125,587.64 and 23,765.47

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Solution

The fourth proportional to 83,731.70, 125,587.64 and 23,765.47 is: 35,645.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,731.70 : 125,587.64 = 23,765.47 : x
  2. Step 2: Convert to fraction form
    83,731.70/125,587.64 = 23,765.47/x
  3. Step 3: Cross multiply
    83,731.70x = 125,587.64 × 23,765.47
  4. Step 4: Simplify right side
    83,731.70x = 2,984,649,036.24
  5. Step 5: Solve for x
    x = 2,984,649,036.24/83,731.70
  6. Step 6: Final answer
    x = 35,645.39

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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.