Home / 67,787.36-101,613.35-23,385.78

Finding the Fourth Proportional to 67,787.36, 101,613.35 and 23,385.78

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Solution

The fourth proportional to 67,787.36, 101,613.35 and 23,385.78 is: 35,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,787.36 : 101,613.35 = 23,385.78 : x
  2. Step 2: Convert to fraction form
    67,787.36/101,613.35 = 23,385.78/x
  3. Step 3: Cross multiply
    67,787.36x = 101,613.35 × 23,385.78
  4. Step 4: Simplify right side
    67,787.36x = 2,376,307,331.23
  5. Step 5: Solve for x
    x = 2,376,307,331.23/67,787.36
  6. Step 6: Final answer
    x = 35,055.32

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1.5x scale

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.