Home / 67,357.23-92,959.21-38,680.63

Finding the Fourth Proportional to 67,357.23, 92,959.21 and 38,680.63

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Solution

The fourth proportional to 67,357.23, 92,959.21 and 38,680.63 is: 53,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,357.23 : 92,959.21 = 38,680.63 : x
  2. Step 2: Convert to fraction form
    67,357.23/92,959.21 = 38,680.63/x
  3. Step 3: Cross multiply
    67,357.23x = 92,959.21 × 38,680.63
  4. Step 4: Simplify right side
    67,357.23x = 3,595,720,807.10
  5. Step 5: Solve for x
    x = 3,595,720,807.10/67,357.23
  6. Step 6: Final answer
    x = 53,382.85

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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.