Home / 67,697.04-101,543.84-28,253.28

Finding the Fourth Proportional to 67,697.04, 101,543.84 and 28,253.28

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Solution

The fourth proportional to 67,697.04, 101,543.84 and 28,253.28 is: 42,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,697.04 : 101,543.84 = 28,253.28 : x
  2. Step 2: Convert to fraction form
    67,697.04/101,543.84 = 28,253.28/x
  3. Step 3: Cross multiply
    67,697.04x = 101,543.84 × 28,253.28
  4. Step 4: Simplify right side
    67,697.04x = 2,868,946,543.80
  5. Step 5: Solve for x
    x = 2,868,946,543.80/67,697.04
  6. Step 6: Final answer
    x = 42,379.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.