Home / 88,279.50-121,835.86-52,469.16

Finding the Fourth Proportional to 88,279.50, 121,835.86 and 52,469.16

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Solution

The fourth proportional to 88,279.50, 121,835.86 and 52,469.16 is: 72,413.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,279.50 : 121,835.86 = 52,469.16 : x
  2. Step 2: Convert to fraction form
    88,279.50/121,835.86 = 52,469.16/x
  3. Step 3: Cross multiply
    88,279.50x = 121,835.86 × 52,469.16
  4. Step 4: Simplify right side
    88,279.50x = 6,392,625,232.08
  5. Step 5: Solve for x
    x = 6,392,625,232.08/88,279.50
  6. Step 6: Final answer
    x = 72,413.47

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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.