Home / 71,257.56-98,334.64-39,425.08

Finding the Fourth Proportional to 71,257.56, 98,334.64 and 39,425.08

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Solution

The fourth proportional to 71,257.56, 98,334.64 and 39,425.08 is: 54,406.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,257.56 : 98,334.64 = 39,425.08 : x
  2. Step 2: Convert to fraction form
    71,257.56/98,334.64 = 39,425.08/x
  3. Step 3: Cross multiply
    71,257.56x = 98,334.64 × 39,425.08
  4. Step 4: Simplify right side
    71,257.56x = 3,876,851,048.77
  5. Step 5: Solve for x
    x = 3,876,851,048.77/71,257.56
  6. Step 6: Final answer
    x = 54,406.17

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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.