Home / 70,384.29-97,131.89-40,169.01

Finding the Fourth Proportional to 70,384.29, 97,131.89 and 40,169.01

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Solution

The fourth proportional to 70,384.29, 97,131.89 and 40,169.01 is: 55,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,384.29 : 97,131.89 = 40,169.01 : x
  2. Step 2: Convert to fraction form
    70,384.29/97,131.89 = 40,169.01/x
  3. Step 3: Cross multiply
    70,384.29x = 97,131.89 × 40,169.01
  4. Step 4: Simplify right side
    70,384.29x = 3,901,691,659.88
  5. Step 5: Solve for x
    x = 3,901,691,659.88/70,384.29
  6. Step 6: Final answer
    x = 55,434.13

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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.