Home / 74,079.36-110,711.33-54,130.38

Finding the Fourth Proportional to 74,079.36, 110,711.33 and 54,130.38

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Solution

The fourth proportional to 74,079.36, 110,711.33 and 54,130.38 is: 80,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,079.36 : 110,711.33 = 54,130.38 : x
  2. Step 2: Convert to fraction form
    74,079.36/110,711.33 = 54,130.38/x
  3. Step 3: Cross multiply
    74,079.36x = 110,711.33 × 54,130.38
  4. Step 4: Simplify right side
    74,079.36x = 5,992,846,092.55
  5. Step 5: Solve for x
    x = 5,992,846,092.55/74,079.36
  6. Step 6: Final answer
    x = 80,897.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.