Home / 74,702.20-103,087.66-40,710.96

Finding the Fourth Proportional to 74,702.20, 103,087.66 and 40,710.96

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Solution

The fourth proportional to 74,702.20, 103,087.66 and 40,710.96 is: 56,180.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,702.20 : 103,087.66 = 40,710.96 : x
  2. Step 2: Convert to fraction form
    74,702.20/103,087.66 = 40,710.96/x
  3. Step 3: Cross multiply
    74,702.20x = 103,087.66 × 40,710.96
  4. Step 4: Simplify right side
    74,702.20x = 4,196,797,602.75
  5. Step 5: Solve for x
    x = 4,196,797,602.75/74,702.20
  6. Step 6: Final answer
    x = 56,180.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.