Home / 88,000.19-121,440.68-47,713.83

Finding the Fourth Proportional to 88,000.19, 121,440.68 and 47,713.83

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Solution

The fourth proportional to 88,000.19, 121,440.68 and 47,713.83 is: 65,845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,000.19 : 121,440.68 = 47,713.83 : x
  2. Step 2: Convert to fraction form
    88,000.19/121,440.68 = 47,713.83/x
  3. Step 3: Cross multiply
    88,000.19x = 121,440.68 × 47,713.83
  4. Step 4: Simplify right side
    88,000.19x = 5,794,399,960.60
  5. Step 5: Solve for x
    x = 5,794,399,960.60/88,000.19
  6. Step 6: Final answer
    x = 65,845.31

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1.5x scale

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.