Home / 70,743.75-97,640.24-40,549.31

Finding the Fourth Proportional to 70,743.75, 97,640.24 and 40,549.31

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Solution

The fourth proportional to 70,743.75, 97,640.24 and 40,549.31 is: 55,966.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,743.75 : 97,640.24 = 40,549.31 : x
  2. Step 2: Convert to fraction form
    70,743.75/97,640.24 = 40,549.31/x
  3. Step 3: Cross multiply
    70,743.75x = 97,640.24 × 40,549.31
  4. Step 4: Simplify right side
    70,743.75x = 3,959,244,360.23
  5. Step 5: Solve for x
    x = 3,959,244,360.23/70,743.75
  6. Step 6: Final answer
    x = 55,966.00

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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.