Home / 83,261.86-124,834.38-30,664.60

Finding the Fourth Proportional to 83,261.86, 124,834.38 and 30,664.60

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Solution

The fourth proportional to 83,261.86, 124,834.38 and 30,664.60 is: 45,975.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,261.86 : 124,834.38 = 30,664.60 : x
  2. Step 2: Convert to fraction form
    83,261.86/124,834.38 = 30,664.60/x
  3. Step 3: Cross multiply
    83,261.86x = 124,834.38 × 30,664.60
  4. Step 4: Simplify right side
    83,261.86x = 3,827,996,328.95
  5. Step 5: Solve for x
    x = 3,827,996,328.95/83,261.86
  6. Step 6: Final answer
    x = 45,975.39

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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.