Home / 70,778.16-97,675.80-40,566

Finding the Fourth Proportional to 70,778.16, 97,675.80 and 40,566

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Solution

The fourth proportional to 70,778.16, 97,675.80 and 40,566 is: 55,982.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,778.16 : 97,675.80 = 40,566 : x
  2. Step 2: Convert to fraction form
    70,778.16/97,675.80 = 40,566/x
  3. Step 3: Cross multiply
    70,778.16x = 97,675.80 × 40,566
  4. Step 4: Simplify right side
    70,778.16x = 3,962,316,502.80
  5. Step 5: Solve for x
    x = 3,962,316,502.80/70,778.16
  6. Step 6: Final answer
    x = 55,982.19

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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.