Home / 70,843.39-97,766.90-40,637.23

Finding the Fourth Proportional to 70,843.39, 97,766.90 and 40,637.23

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Solution

The fourth proportional to 70,843.39, 97,766.90 and 40,637.23 is: 56,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,843.39 : 97,766.90 = 40,637.23 : x
  2. Step 2: Convert to fraction form
    70,843.39/97,766.90 = 40,637.23/x
  3. Step 3: Cross multiply
    70,843.39x = 97,766.90 × 40,637.23
  4. Step 4: Simplify right side
    70,843.39x = 3,972,976,001.69
  5. Step 5: Solve for x
    x = 3,972,976,001.69/70,843.39
  6. Step 6: Final answer
    x = 56,081.11

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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.