Home / 88,213.02-121,753.23-54,250.74

Finding the Fourth Proportional to 88,213.02, 121,753.23 and 54,250.74

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Solution

The fourth proportional to 88,213.02, 121,753.23 and 54,250.74 is: 74,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,213.02 : 121,753.23 = 54,250.74 : x
  2. Step 2: Convert to fraction form
    88,213.02/121,753.23 = 54,250.74/x
  3. Step 3: Cross multiply
    88,213.02x = 121,753.23 × 54,250.74
  4. Step 4: Simplify right side
    88,213.02x = 6,605,202,824.89
  5. Step 5: Solve for x
    x = 6,605,202,824.89/88,213.02
  6. Step 6: Final answer
    x = 74,877.87

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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.