Home / 83,225.90-124,870.28-49,969.15

Finding the Fourth Proportional to 83,225.90, 124,870.28 and 49,969.15

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Solution

The fourth proportional to 83,225.90, 124,870.28 and 49,969.15 is: 74,972.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,225.90 : 124,870.28 = 49,969.15 : x
  2. Step 2: Convert to fraction form
    83,225.90/124,870.28 = 49,969.15/x
  3. Step 3: Cross multiply
    83,225.90x = 124,870.28 × 49,969.15
  4. Step 4: Simplify right side
    83,225.90x = 6,239,660,877.66
  5. Step 5: Solve for x
    x = 6,239,660,877.66/83,225.90
  6. Step 6: Final answer
    x = 74,972.59

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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.