Home / 73,411.02-110,158.11-31,286.70

Finding the Fourth Proportional to 73,411.02, 110,158.11 and 31,286.70

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Solution

The fourth proportional to 73,411.02, 110,158.11 and 31,286.70 is: 46,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,411.02 : 110,158.11 = 31,286.70 : x
  2. Step 2: Convert to fraction form
    73,411.02/110,158.11 = 31,286.70/x
  3. Step 3: Cross multiply
    73,411.02x = 110,158.11 × 31,286.70
  4. Step 4: Simplify right side
    73,411.02x = 3,446,483,740.14
  5. Step 5: Solve for x
    x = 3,446,483,740.14/73,411.02
  6. Step 6: Final answer
    x = 46,947.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.