Home / 57,382.17-85,496.52-54,159.21

Finding the Fourth Proportional to 57,382.17, 85,496.52 and 54,159.21

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Solution

The fourth proportional to 57,382.17, 85,496.52 and 54,159.21 is: 80,694.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,382.17 : 85,496.52 = 54,159.21 : x
  2. Step 2: Convert to fraction form
    57,382.17/85,496.52 = 54,159.21/x
  3. Step 3: Cross multiply
    57,382.17x = 85,496.52 × 54,159.21
  4. Step 4: Simplify right side
    57,382.17x = 4,630,423,980.95
  5. Step 5: Solve for x
    x = 4,630,423,980.95/57,382.17
  6. Step 6: Final answer
    x = 80,694.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.