Home / 56,895.52-85,396.12-28,835.36

Finding the Fourth Proportional to 56,895.52, 85,396.12 and 28,835.36

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Solution

The fourth proportional to 56,895.52, 85,396.12 and 28,835.36 is: 43,279.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,895.52 : 85,396.12 = 28,835.36 : x
  2. Step 2: Convert to fraction form
    56,895.52/85,396.12 = 28,835.36/x
  3. Step 3: Cross multiply
    56,895.52x = 85,396.12 × 28,835.36
  4. Step 4: Simplify right side
    56,895.52x = 2,462,427,862.80
  5. Step 5: Solve for x
    x = 2,462,427,862.80/56,895.52
  6. Step 6: Final answer
    x = 43,279.82

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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.