Home / 67,941.36-101,873.16-28,465.20

Finding the Fourth Proportional to 67,941.36, 101,873.16 and 28,465.20

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Solution

The fourth proportional to 67,941.36, 101,873.16 and 28,465.20 is: 42,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,941.36 : 101,873.16 = 28,465.20 : x
  2. Step 2: Convert to fraction form
    67,941.36/101,873.16 = 28,465.20/x
  3. Step 3: Cross multiply
    67,941.36x = 101,873.16 × 28,465.20
  4. Step 4: Simplify right side
    67,941.36x = 2,899,839,874.03
  5. Step 5: Solve for x
    x = 2,899,839,874.03/67,941.36
  6. Step 6: Final answer
    x = 42,681.51

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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.