Home / 82,968.90-124,577.57-47,470.25

Finding the Fourth Proportional to 82,968.90, 124,577.57 and 47,470.25

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Solution

The fourth proportional to 82,968.90, 124,577.57 and 47,470.25 is: 71,276.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,968.90 : 124,577.57 = 47,470.25 : x
  2. Step 2: Convert to fraction form
    82,968.90/124,577.57 = 47,470.25/x
  3. Step 3: Cross multiply
    82,968.90x = 124,577.57 × 47,470.25
  4. Step 4: Simplify right side
    82,968.90x = 5,913,727,532.05
  5. Step 5: Solve for x
    x = 5,913,727,532.05/82,968.90
  6. Step 6: Final answer
    x = 71,276.44

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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.