Home / 74,803.42-103,232.67-42,974.37

Finding the Fourth Proportional to 74,803.42, 103,232.67 and 42,974.37

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Solution

The fourth proportional to 74,803.42, 103,232.67 and 42,974.37 is: 59,306.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,803.42 : 103,232.67 = 42,974.37 : x
  2. Step 2: Convert to fraction form
    74,803.42/103,232.67 = 42,974.37/x
  3. Step 3: Cross multiply
    74,803.42x = 103,232.67 × 42,974.37
  4. Step 4: Simplify right side
    74,803.42x = 4,436,358,956.67
  5. Step 5: Solve for x
    x = 4,436,358,956.67/74,803.42
  6. Step 6: Final answer
    x = 59,306.90

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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.