Home / 123,736.84-170,760.12-67,148.24

Finding the Fourth Proportional to 123,736.84, 170,760.12 and 67,148.24

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Solution

The fourth proportional to 123,736.84, 170,760.12 and 67,148.24 is: 92,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,736.84 : 170,760.12 = 67,148.24 : x
  2. Step 2: Convert to fraction form
    123,736.84/170,760.12 = 67,148.24/x
  3. Step 3: Cross multiply
    123,736.84x = 170,760.12 × 67,148.24
  4. Step 4: Simplify right side
    123,736.84x = 11,466,241,520.19
  5. Step 5: Solve for x
    x = 11,466,241,520.19/123,736.84
  6. Step 6: Final answer
    x = 92,666.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.