Home / 74,122.79-102,306.26-57,958.12

Finding the Fourth Proportional to 74,122.79, 102,306.26 and 57,958.12

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Solution

The fourth proportional to 74,122.79, 102,306.26 and 57,958.12 is: 79,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,122.79 : 102,306.26 = 57,958.12 : x
  2. Step 2: Convert to fraction form
    74,122.79/102,306.26 = 57,958.12/x
  3. Step 3: Cross multiply
    74,122.79x = 102,306.26 × 57,958.12
  4. Step 4: Simplify right side
    74,122.79x = 5,929,478,493.83
  5. Step 5: Solve for x
    x = 5,929,478,493.83/74,122.79
  6. Step 6: Final answer
    x = 79,995.35

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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.