Home / 71,538.63-98,711.78-41,319.15

Finding the Fourth Proportional to 71,538.63, 98,711.78 and 41,319.15

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Solution

The fourth proportional to 71,538.63, 98,711.78 and 41,319.15 is: 57,013.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,538.63 : 98,711.78 = 41,319.15 : x
  2. Step 2: Convert to fraction form
    71,538.63/98,711.78 = 41,319.15/x
  3. Step 3: Cross multiply
    71,538.63x = 98,711.78 × 41,319.15
  4. Step 4: Simplify right side
    71,538.63x = 4,078,686,637.99
  5. Step 5: Solve for x
    x = 4,078,686,637.99/71,538.63
  6. Step 6: Final answer
    x = 57,013.76

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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.