Home / 56,702.90-85,055.75-27,123.86

Finding the Fourth Proportional to 56,702.90, 85,055.75 and 27,123.86

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Solution

The fourth proportional to 56,702.90, 85,055.75 and 27,123.86 is: 40,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,702.90 : 85,055.75 = 27,123.86 : x
  2. Step 2: Convert to fraction form
    56,702.90/85,055.75 = 27,123.86/x
  3. Step 3: Cross multiply
    56,702.90x = 85,055.75 × 27,123.86
  4. Step 4: Simplify right side
    56,702.90x = 2,307,040,255.20
  5. Step 5: Solve for x
    x = 2,307,040,255.20/56,702.90
  6. Step 6: Final answer
    x = 40,686.46

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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.