Home / 83,972.17-125,956.30-34,038.91

Finding the Fourth Proportional to 83,972.17, 125,956.30 and 34,038.91

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Solution

The fourth proportional to 83,972.17, 125,956.30 and 34,038.91 is: 51,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,972.17 : 125,956.30 = 34,038.91 : x
  2. Step 2: Convert to fraction form
    83,972.17/125,956.30 = 34,038.91/x
  3. Step 3: Cross multiply
    83,972.17x = 125,956.30 × 34,038.91
  4. Step 4: Simplify right side
    83,972.17x = 4,287,415,159.63
  5. Step 5: Solve for x
    x = 4,287,415,159.63/83,972.17
  6. Step 6: Final answer
    x = 51,057.57

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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.