Home / 67,541.04-101,339.10-28,090.80

Finding the Fourth Proportional to 67,541.04, 101,339.10 and 28,090.80

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Solution

The fourth proportional to 67,541.04, 101,339.10 and 28,090.80 is: 42,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,541.04 : 101,339.10 = 28,090.80 : x
  2. Step 2: Convert to fraction form
    67,541.04/101,339.10 = 28,090.80/x
  3. Step 3: Cross multiply
    67,541.04x = 101,339.10 × 28,090.80
  4. Step 4: Simplify right side
    67,541.04x = 2,846,696,390.28
  5. Step 5: Solve for x
    x = 2,846,696,390.28/67,541.04
  6. Step 6: Final answer
    x = 42,147.65

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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.