Home / 67,618.80-93,300.66-38,543.04

Finding the Fourth Proportional to 67,618.80, 93,300.66 and 38,543.04

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Solution

The fourth proportional to 67,618.80, 93,300.66 and 38,543.04 is: 53,181.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,618.80 : 93,300.66 = 38,543.04 : x
  2. Step 2: Convert to fraction form
    67,618.80/93,300.66 = 38,543.04/x
  3. Step 3: Cross multiply
    67,618.80x = 93,300.66 × 38,543.04
  4. Step 4: Simplify right side
    67,618.80x = 3,596,091,070.41
  5. Step 5: Solve for x
    x = 3,596,091,070.41/67,618.80
  6. Step 6: Final answer
    x = 53,181.82

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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.