Home / 71,127.74-98,155.58-39,296.63

Finding the Fourth Proportional to 71,127.74, 98,155.58 and 39,296.63

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Solution

The fourth proportional to 71,127.74, 98,155.58 and 39,296.63 is: 54,228.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,127.74 : 98,155.58 = 39,296.63 : x
  2. Step 2: Convert to fraction form
    71,127.74/98,155.58 = 39,296.63/x
  3. Step 3: Cross multiply
    71,127.74x = 98,155.58 × 39,296.63
  4. Step 4: Simplify right side
    71,127.74x = 3,857,182,822.43
  5. Step 5: Solve for x
    x = 3,857,182,822.43/71,127.74
  6. Step 6: Final answer
    x = 54,228.96

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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.