Home / 75,133.17-112,756.88-27,793.04

Finding the Fourth Proportional to 75,133.17, 112,756.88 and 27,793.04

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Solution

The fourth proportional to 75,133.17, 112,756.88 and 27,793.04 is: 41,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,133.17 : 112,756.88 = 27,793.04 : x
  2. Step 2: Convert to fraction form
    75,133.17/112,756.88 = 27,793.04/x
  3. Step 3: Cross multiply
    75,133.17x = 112,756.88 × 27,793.04
  4. Step 4: Simplify right side
    75,133.17x = 3,133,855,981.81
  5. Step 5: Solve for x
    x = 3,133,855,981.81/75,133.17
  6. Step 6: Final answer
    x = 41,710.68

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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.