Home / 124,955.52-187,433.12-31,461.28

Finding the Fourth Proportional to 124,955.52, 187,433.12 and 31,461.28

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Solution

The fourth proportional to 124,955.52, 187,433.12 and 31,461.28 is: 47,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,955.52 : 187,433.12 = 31,461.28 : x
  2. Step 2: Convert to fraction form
    124,955.52/187,433.12 = 31,461.28/x
  3. Step 3: Cross multiply
    124,955.52x = 187,433.12 × 31,461.28
  4. Step 4: Simplify right side
    124,955.52x = 5,896,885,869.59
  5. Step 5: Solve for x
    x = 5,896,885,869.59/124,955.52
  6. Step 6: Final answer
    x = 47,191.88

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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.