Home / 71,172.32-98,217.77-42,883.47

Finding the Fourth Proportional to 71,172.32, 98,217.77 and 42,883.47

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Solution

The fourth proportional to 71,172.32, 98,217.77 and 42,883.47 is: 59,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,172.32 : 98,217.77 = 42,883.47 : x
  2. Step 2: Convert to fraction form
    71,172.32/98,217.77 = 42,883.47/x
  3. Step 3: Cross multiply
    71,172.32x = 98,217.77 × 42,883.47
  4. Step 4: Simplify right side
    71,172.32x = 4,211,918,578.84
  5. Step 5: Solve for x
    x = 4,211,918,578.84/71,172.32
  6. Step 6: Final answer
    x = 59,179.17

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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.