Home / 82,975.43-124,463.17-20,645.93

Finding the Fourth Proportional to 82,975.43, 124,463.17 and 20,645.93

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Solution

The fourth proportional to 82,975.43, 124,463.17 and 20,645.93 is: 30,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,975.43 : 124,463.17 = 20,645.93 : x
  2. Step 2: Convert to fraction form
    82,975.43/124,463.17 = 20,645.93/x
  3. Step 3: Cross multiply
    82,975.43x = 124,463.17 × 20,645.93
  4. Step 4: Simplify right side
    82,975.43x = 2,569,658,232.36
  5. Step 5: Solve for x
    x = 2,569,658,232.36/82,975.43
  6. Step 6: Final answer
    x = 30,968.90

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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.