Home / 65,819.12-98,736.44-23,111.46

Finding the Fourth Proportional to 65,819.12, 98,736.44 and 23,111.46

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Solution

The fourth proportional to 65,819.12, 98,736.44 and 23,111.46 is: 34,669.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,819.12 : 98,736.44 = 23,111.46 : x
  2. Step 2: Convert to fraction form
    65,819.12/98,736.44 = 23,111.46/x
  3. Step 3: Cross multiply
    65,819.12x = 98,736.44 × 23,111.46
  4. Step 4: Simplify right side
    65,819.12x = 2,281,943,341.38
  5. Step 5: Solve for x
    x = 2,281,943,341.38/65,819.12
  6. Step 6: Final answer
    x = 34,669.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.