Home / 67,261.38-92,820.70-38,983.47

Finding the Fourth Proportional to 67,261.38, 92,820.70 and 38,983.47

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Solution

The fourth proportional to 67,261.38, 92,820.70 and 38,983.47 is: 53,797.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,261.38 : 92,820.70 = 38,983.47 : x
  2. Step 2: Convert to fraction form
    67,261.38/92,820.70 = 38,983.47/x
  3. Step 3: Cross multiply
    67,261.38x = 92,820.70 × 38,983.47
  4. Step 4: Simplify right side
    67,261.38x = 3,618,472,973.83
  5. Step 5: Solve for x
    x = 3,618,472,973.83/67,261.38
  6. Step 6: Final answer
    x = 53,797.19

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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.