Home / 91,612.28-137,386.04-43,575.24

Finding the Fourth Proportional to 91,612.28, 137,386.04 and 43,575.24

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Solution

The fourth proportional to 91,612.28, 137,386.04 and 43,575.24 is: 65,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,612.28 : 137,386.04 = 43,575.24 : x
  2. Step 2: Convert to fraction form
    91,612.28/137,386.04 = 43,575.24/x
  3. Step 3: Cross multiply
    91,612.28x = 137,386.04 × 43,575.24
  4. Step 4: Simplify right side
    91,612.28x = 5,986,629,665.65
  5. Step 5: Solve for x
    x = 5,986,629,665.65/91,612.28
  6. Step 6: Final answer
    x = 65,347.46

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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.