Home / 70,743.69-97,640.16-40,549.26

Finding the Fourth Proportional to 70,743.69, 97,640.16 and 40,549.26

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Solution

The fourth proportional to 70,743.69, 97,640.16 and 40,549.26 is: 55,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,743.69 : 97,640.16 = 40,549.26 : x
  2. Step 2: Convert to fraction form
    70,743.69/97,640.16 = 40,549.26/x
  3. Step 3: Cross multiply
    70,743.69x = 97,640.16 × 40,549.26
  4. Step 4: Simplify right side
    70,743.69x = 3,959,236,234.28
  5. Step 5: Solve for x
    x = 3,959,236,234.28/70,743.69
  6. Step 6: Final answer
    x = 55,965.93

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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.