Home / 83,539.85-125,239.37-56,810.97

Finding the Fourth Proportional to 83,539.85, 125,239.37 and 56,810.97

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Solution

The fourth proportional to 83,539.85, 125,239.37 and 56,810.97 is: 85,168.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,539.85 : 125,239.37 = 56,810.97 : x
  2. Step 2: Convert to fraction form
    83,539.85/125,239.37 = 56,810.97/x
  3. Step 3: Cross multiply
    83,539.85x = 125,239.37 × 56,810.97
  4. Step 4: Simplify right side
    83,539.85x = 7,114,969,807.83
  5. Step 5: Solve for x
    x = 7,114,969,807.83/83,539.85
  6. Step 6: Final answer
    x = 85,168.58

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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.