Home / 125,002.84-187,505.49-31,508.59

Finding the Fourth Proportional to 125,002.84, 187,505.49 and 31,508.59

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Solution

The fourth proportional to 125,002.84, 187,505.49 and 31,508.59 is: 47,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,002.84 : 187,505.49 = 31,508.59 : x
  2. Step 2: Convert to fraction form
    125,002.84/187,505.49 = 31,508.59/x
  3. Step 3: Cross multiply
    125,002.84x = 187,505.49 × 31,508.59
  4. Step 4: Simplify right side
    125,002.84x = 5,908,033,607.16
  5. Step 5: Solve for x
    x = 5,908,033,607.16/125,002.84
  6. Step 6: Final answer
    x = 47,263.20

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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.