Home / 88,372.20-121,955.09-48,086.16

Finding the Fourth Proportional to 88,372.20, 121,955.09 and 48,086.16

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Solution

The fourth proportional to 88,372.20, 121,955.09 and 48,086.16 is: 66,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,372.20 : 121,955.09 = 48,086.16 : x
  2. Step 2: Convert to fraction form
    88,372.20/121,955.09 = 48,086.16/x
  3. Step 3: Cross multiply
    88,372.20x = 121,955.09 × 48,086.16
  4. Step 4: Simplify right side
    88,372.20x = 5,864,352,707.52
  5. Step 5: Solve for x
    x = 5,864,352,707.52/88,372.20
  6. Step 6: Final answer
    x = 66,359.70

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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.