Home / 71,447.77-98,579.32-42,755.14

Finding the Fourth Proportional to 71,447.77, 98,579.32 and 42,755.14

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Solution

The fourth proportional to 71,447.77, 98,579.32 and 42,755.14 is: 58,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,447.77 : 98,579.32 = 42,755.14 : x
  2. Step 2: Convert to fraction form
    71,447.77/98,579.32 = 42,755.14/x
  3. Step 3: Cross multiply
    71,447.77x = 98,579.32 × 42,755.14
  4. Step 4: Simplify right side
    71,447.77x = 4,214,772,627.70
  5. Step 5: Solve for x
    x = 4,214,772,627.70/71,447.77
  6. Step 6: Final answer
    x = 58,990.96

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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.