Home / 71,371.23-98,333.69-47,129.14

Finding the Fourth Proportional to 71,371.23, 98,333.69 and 47,129.14

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Solution

The fourth proportional to 71,371.23, 98,333.69 and 47,129.14 is: 64,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,371.23 : 98,333.69 = 47,129.14 : x
  2. Step 2: Convert to fraction form
    71,371.23/98,333.69 = 47,129.14/x
  3. Step 3: Cross multiply
    71,371.23x = 98,333.69 × 47,129.14
  4. Step 4: Simplify right side
    71,371.23x = 4,634,382,242.73
  5. Step 5: Solve for x
    x = 4,634,382,242.73/71,371.23
  6. Step 6: Final answer
    x = 64,933.48

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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.