Home / 85,974.26-129,032.46-43,885.44

Finding the Fourth Proportional to 85,974.26, 129,032.46 and 43,885.44

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Solution

The fourth proportional to 85,974.26, 129,032.46 and 43,885.44 is: 65,864.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,974.26 : 129,032.46 = 43,885.44 : x
  2. Step 2: Convert to fraction form
    85,974.26/129,032.46 = 43,885.44/x
  3. Step 3: Cross multiply
    85,974.26x = 129,032.46 × 43,885.44
  4. Step 4: Simplify right side
    85,974.26x = 5,662,646,281.38
  5. Step 5: Solve for x
    x = 5,662,646,281.38/85,974.26
  6. Step 6: Final answer
    x = 65,864.44

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1.5x scale

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.