Home / 90,583.20-125,017.02-54,774.72

Finding the Fourth Proportional to 90,583.20, 125,017.02 and 54,774.72

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Solution

The fourth proportional to 90,583.20, 125,017.02 and 54,774.72 is: 75,596.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,583.20 : 125,017.02 = 54,774.72 : x
  2. Step 2: Convert to fraction form
    90,583.20/125,017.02 = 54,774.72/x
  3. Step 3: Cross multiply
    90,583.20x = 125,017.02 × 54,774.72
  4. Step 4: Simplify right side
    90,583.20x = 6,847,772,265.73
  5. Step 5: Solve for x
    x = 6,847,772,265.73/90,583.20
  6. Step 6: Final answer
    x = 75,596.49

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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.