Home / 71,577.48-98,786-43,298.76

Finding the Fourth Proportional to 71,577.48, 98,786 and 43,298.76

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Solution

The fourth proportional to 71,577.48, 98,786 and 43,298.76 is: 59,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,577.48 : 98,786 = 43,298.76 : x
  2. Step 2: Convert to fraction form
    71,577.48/98,786 = 43,298.76/x
  3. Step 3: Cross multiply
    71,577.48x = 98,786 × 43,298.76
  4. Step 4: Simplify right side
    71,577.48x = 4,277,311,305.36
  5. Step 5: Solve for x
    x = 4,277,311,305.36/71,577.48
  6. Step 6: Final answer
    x = 59,757.78

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1.5x scale

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.