Home / 67,423.47-101,155.32-20,040.13

Finding the Fourth Proportional to 67,423.47, 101,155.32 and 20,040.13

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Solution

The fourth proportional to 67,423.47, 101,155.32 and 20,040.13 is: 30,066.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,423.47 : 101,155.32 = 20,040.13 : x
  2. Step 2: Convert to fraction form
    67,423.47/101,155.32 = 20,040.13/x
  3. Step 3: Cross multiply
    67,423.47x = 101,155.32 × 20,040.13
  4. Step 4: Simplify right side
    67,423.47x = 2,027,165,762.99
  5. Step 5: Solve for x
    x = 2,027,165,762.99/67,423.47
  6. Step 6: Final answer
    x = 30,066.17

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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.