Home / 71,542.82-98,755.59-61,430.65

Finding the Fourth Proportional to 71,542.82, 98,755.59 and 61,430.65

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Solution

The fourth proportional to 71,542.82, 98,755.59 and 61,430.65 is: 84,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,542.82 : 98,755.59 = 61,430.65 : x
  2. Step 2: Convert to fraction form
    71,542.82/98,755.59 = 61,430.65/x
  3. Step 3: Cross multiply
    71,542.82x = 98,755.59 × 61,430.65
  4. Step 4: Simplify right side
    71,542.82x = 6,066,620,084.83
  5. Step 5: Solve for x
    x = 6,066,620,084.83/71,542.82
  6. Step 6: Final answer
    x = 84,797.05

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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.