Home / 44,079.52-66,119.82-12,915.40

Finding the Fourth Proportional to 44,079.52, 66,119.82 and 12,915.40

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Solution

The fourth proportional to 44,079.52, 66,119.82 and 12,915.40 is: 19,373.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,079.52 : 66,119.82 = 12,915.40 : x
  2. Step 2: Convert to fraction form
    44,079.52/66,119.82 = 12,915.40/x
  3. Step 3: Cross multiply
    44,079.52x = 66,119.82 × 12,915.40
  4. Step 4: Simplify right side
    44,079.52x = 853,963,923.23
  5. Step 5: Solve for x
    x = 853,963,923.23/44,079.52
  6. Step 6: Final answer
    x = 19,373.26

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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.