Home / 91,955.52-137,805.72-41,913.36

Finding the Fourth Proportional to 91,955.52, 137,805.72 and 41,913.36

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Solution

The fourth proportional to 91,955.52, 137,805.72 and 41,913.36 is: 62,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,955.52 : 137,805.72 = 41,913.36 : x
  2. Step 2: Convert to fraction form
    91,955.52/137,805.72 = 41,913.36/x
  3. Step 3: Cross multiply
    91,955.52x = 137,805.72 × 41,913.36
  4. Step 4: Simplify right side
    91,955.52x = 5,775,900,752.42
  5. Step 5: Solve for x
    x = 5,775,900,752.42/91,955.52
  6. Step 6: Final answer
    x = 62,811.90

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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.