Home / 71,684.68-98,898.40-43,380.04

Finding the Fourth Proportional to 71,684.68, 98,898.40 and 43,380.04

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Solution

The fourth proportional to 71,684.68, 98,898.40 and 43,380.04 is: 59,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,684.68 : 98,898.40 = 43,380.04 : x
  2. Step 2: Convert to fraction form
    71,684.68/98,898.40 = 43,380.04/x
  3. Step 3: Cross multiply
    71,684.68x = 98,898.40 × 43,380.04
  4. Step 4: Simplify right side
    71,684.68x = 4,290,216,547.94
  5. Step 5: Solve for x
    x = 4,290,216,547.94/71,684.68
  6. Step 6: Final answer
    x = 59,848.44

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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.