Home / 124,846.56-187,317-74,961.43

Finding the Fourth Proportional to 124,846.56, 187,317 and 74,961.43

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Solution

The fourth proportional to 124,846.56, 187,317 and 74,961.43 is: 112,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,846.56 : 187,317 = 74,961.43 : x
  2. Step 2: Convert to fraction form
    124,846.56/187,317 = 74,961.43/x
  3. Step 3: Cross multiply
    124,846.56x = 187,317 × 74,961.43
  4. Step 4: Simplify right side
    124,846.56x = 14,041,549,715.02
  5. Step 5: Solve for x
    x = 14,041,549,715.02/124,846.56
  6. Step 6: Final answer
    x = 112,470.46

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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.