Home / 71,480.20-98,640.77-41,264.50

Finding the Fourth Proportional to 71,480.20, 98,640.77 and 41,264.50

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Solution

The fourth proportional to 71,480.20, 98,640.77 and 41,264.50 is: 56,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,480.20 : 98,640.77 = 41,264.50 : x
  2. Step 2: Convert to fraction form
    71,480.20/98,640.77 = 41,264.50/x
  3. Step 3: Cross multiply
    71,480.20x = 98,640.77 × 41,264.50
  4. Step 4: Simplify right side
    71,480.20x = 4,070,362,156.83
  5. Step 5: Solve for x
    x = 4,070,362,156.83/71,480.20
  6. Step 6: Final answer
    x = 56,943.91

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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.