Home / 71,288.76-98,377.02-39,455.76

Finding the Fourth Proportional to 71,288.76, 98,377.02 and 39,455.76

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Solution

The fourth proportional to 71,288.76, 98,377.02 and 39,455.76 is: 54,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,288.76 : 98,377.02 = 39,455.76 : x
  2. Step 2: Convert to fraction form
    71,288.76/98,377.02 = 39,455.76/x
  3. Step 3: Cross multiply
    71,288.76x = 98,377.02 × 39,455.76
  4. Step 4: Simplify right side
    71,288.76x = 3,881,540,090.64
  5. Step 5: Solve for x
    x = 3,881,540,090.64/71,288.76
  6. Step 6: Final answer
    x = 54,448.14

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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.