Home / 70,781.22-97,682.12-40,571.57

Finding the Fourth Proportional to 70,781.22, 97,682.12 and 40,571.57

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Solution

The fourth proportional to 70,781.22, 97,682.12 and 40,571.57 is: 55,991.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,781.22 : 97,682.12 = 40,571.57 : x
  2. Step 2: Convert to fraction form
    70,781.22/97,682.12 = 40,571.57/x
  3. Step 3: Cross multiply
    70,781.22x = 97,682.12 × 40,571.57
  4. Step 4: Simplify right side
    70,781.22x = 3,963,116,278.06
  5. Step 5: Solve for x
    x = 3,963,116,278.06/70,781.22
  6. Step 6: Final answer
    x = 55,991.07

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1.5x scale

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.