Home / 72,531.69-100,095.46-40,702.95

Finding the Fourth Proportional to 72,531.69, 100,095.46 and 40,702.95

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Solution

The fourth proportional to 72,531.69, 100,095.46 and 40,702.95 is: 56,171.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,531.69 : 100,095.46 = 40,702.95 : x
  2. Step 2: Convert to fraction form
    72,531.69/100,095.46 = 40,702.95/x
  3. Step 3: Cross multiply
    72,531.69x = 100,095.46 × 40,702.95
  4. Step 4: Simplify right side
    72,531.69x = 4,074,180,503.61
  5. Step 5: Solve for x
    x = 4,074,180,503.61/72,531.69
  6. Step 6: Final answer
    x = 56,171.04

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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.