Home / 71,546.48-98,732.08-39,281.04

Finding the Fourth Proportional to 71,546.48, 98,732.08 and 39,281.04

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Solution

The fourth proportional to 71,546.48, 98,732.08 and 39,281.04 is: 54,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,546.48 : 98,732.08 = 39,281.04 : x
  2. Step 2: Convert to fraction form
    71,546.48/98,732.08 = 39,281.04/x
  3. Step 3: Cross multiply
    71,546.48x = 98,732.08 × 39,281.04
  4. Step 4: Simplify right side
    71,546.48x = 3,878,298,783.76
  5. Step 5: Solve for x
    x = 3,878,298,783.76/71,546.48
  6. Step 6: Final answer
    x = 54,206.70

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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.