Home / 88,046.52-121,503.02-50,319.80

Finding the Fourth Proportional to 88,046.52, 121,503.02 and 50,319.80

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Solution

The fourth proportional to 88,046.52, 121,503.02 and 50,319.80 is: 69,440.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,046.52 : 121,503.02 = 50,319.80 : x
  2. Step 2: Convert to fraction form
    88,046.52/121,503.02 = 50,319.80/x
  3. Step 3: Cross multiply
    88,046.52x = 121,503.02 × 50,319.80
  4. Step 4: Simplify right side
    88,046.52x = 6,114,007,665.80
  5. Step 5: Solve for x
    x = 6,114,007,665.80/88,046.52
  6. Step 6: Final answer
    x = 69,440.65

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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.