Home / 56,948.40-85,422.60-54,097.20

Finding the Fourth Proportional to 56,948.40, 85,422.60 and 54,097.20

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Solution

The fourth proportional to 56,948.40, 85,422.60 and 54,097.20 is: 81,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,948.40 : 85,422.60 = 54,097.20 : x
  2. Step 2: Convert to fraction form
    56,948.40/85,422.60 = 54,097.20/x
  3. Step 3: Cross multiply
    56,948.40x = 85,422.60 × 54,097.20
  4. Step 4: Simplify right side
    56,948.40x = 4,621,123,476.72
  5. Step 5: Solve for x
    x = 4,621,123,476.72/56,948.40
  6. Step 6: Final answer
    x = 81,145.80

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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.