Home / 71,288.28-98,390.03-41,068.19

Finding the Fourth Proportional to 71,288.28, 98,390.03 and 41,068.19

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Solution

The fourth proportional to 71,288.28, 98,390.03 and 41,068.19 is: 56,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,288.28 : 98,390.03 = 41,068.19 : x
  2. Step 2: Convert to fraction form
    71,288.28/98,390.03 = 41,068.19/x
  3. Step 3: Cross multiply
    71,288.28x = 98,390.03 × 41,068.19
  4. Step 4: Simplify right side
    71,288.28x = 4,040,700,486.78
  5. Step 5: Solve for x
    x = 4,040,700,486.78/71,288.28
  6. Step 6: Final answer
    x = 56,681.13

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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.