Home / 75,373.12-112,954.10-56,641.20

Finding the Fourth Proportional to 75,373.12, 112,954.10 and 56,641.20

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Solution

The fourth proportional to 75,373.12, 112,954.10 and 56,641.20 is: 84,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,373.12 : 112,954.10 = 56,641.20 : x
  2. Step 2: Convert to fraction form
    75,373.12/112,954.10 = 56,641.20/x
  3. Step 3: Cross multiply
    75,373.12x = 112,954.10 × 56,641.20
  4. Step 4: Simplify right side
    75,373.12x = 6,397,855,768.92
  5. Step 5: Solve for x
    x = 6,397,855,768.92/75,373.12
  6. Step 6: Final answer
    x = 84,882.46

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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.