Home / 113,471.28-170,123.58-54,348.48

Finding the Fourth Proportional to 113,471.28, 170,123.58 and 54,348.48

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Solution

The fourth proportional to 113,471.28, 170,123.58 and 54,348.48 is: 81,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,471.28 : 170,123.58 = 54,348.48 : x
  2. Step 2: Convert to fraction form
    113,471.28/170,123.58 = 54,348.48/x
  3. Step 3: Cross multiply
    113,471.28x = 170,123.58 × 54,348.48
  4. Step 4: Simplify right side
    113,471.28x = 9,245,957,985.16
  5. Step 5: Solve for x
    x = 9,245,957,985.16/113,471.28
  6. Step 6: Final answer
    x = 81,482.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.