Home / 92,972.76-128,297.16-50,530.98

Finding the Fourth Proportional to 92,972.76, 128,297.16 and 50,530.98

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Solution

The fourth proportional to 92,972.76, 128,297.16 and 50,530.98 is: 69,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,972.76 : 128,297.16 = 50,530.98 : x
  2. Step 2: Convert to fraction form
    92,972.76/128,297.16 = 50,530.98/x
  3. Step 3: Cross multiply
    92,972.76x = 128,297.16 × 50,530.98
  4. Step 4: Simplify right side
    92,972.76x = 6,482,981,226.02
  5. Step 5: Solve for x
    x = 6,482,981,226.02/92,972.76
  6. Step 6: Final answer
    x = 69,729.90

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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.