Home / 88,047.88-121,505.67-47,761.66

Finding the Fourth Proportional to 88,047.88, 121,505.67 and 47,761.66

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Solution

The fourth proportional to 88,047.88, 121,505.67 and 47,761.66 is: 65,910.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,047.88 : 121,505.67 = 47,761.66 : x
  2. Step 2: Convert to fraction form
    88,047.88/121,505.67 = 47,761.66/x
  3. Step 3: Cross multiply
    88,047.88x = 121,505.67 × 47,761.66
  4. Step 4: Simplify right side
    88,047.88x = 5,803,312,498.61
  5. Step 5: Solve for x
    x = 5,803,312,498.61/88,047.88
  6. Step 6: Final answer
    x = 65,910.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.