Home / 83,945.70-125,897.81-52,339.50

Finding the Fourth Proportional to 83,945.70, 125,897.81 and 52,339.50

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Solution

The fourth proportional to 83,945.70, 125,897.81 and 52,339.50 is: 78,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,945.70 : 125,897.81 = 52,339.50 : x
  2. Step 2: Convert to fraction form
    83,945.70/125,897.81 = 52,339.50/x
  3. Step 3: Cross multiply
    83,945.70x = 125,897.81 × 52,339.50
  4. Step 4: Simplify right side
    83,945.70x = 6,589,428,164.80
  5. Step 5: Solve for x
    x = 6,589,428,164.80/83,945.70
  6. Step 6: Final answer
    x = 78,496.32

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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.