Home / 88,216.02-121,757.36-54,253.73

Finding the Fourth Proportional to 88,216.02, 121,757.36 and 54,253.73

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Solution

The fourth proportional to 88,216.02, 121,757.36 and 54,253.73 is: 74,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,216.02 : 121,757.36 = 54,253.73 : x
  2. Step 2: Convert to fraction form
    88,216.02/121,757.36 = 54,253.73/x
  3. Step 3: Cross multiply
    88,216.02x = 121,757.36 × 54,253.73
  4. Step 4: Simplify right side
    88,216.02x = 6,605,790,054.90
  5. Step 5: Solve for x
    x = 6,605,790,054.90/88,216.02
  6. Step 6: Final answer
    x = 74,881.98

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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.