Home / 75,914.80-113,872.20-23,317.45

Finding the Fourth Proportional to 75,914.80, 113,872.20 and 23,317.45

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Solution

The fourth proportional to 75,914.80, 113,872.20 and 23,317.45 is: 34,976.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,914.80 : 113,872.20 = 23,317.45 : x
  2. Step 2: Convert to fraction form
    75,914.80/113,872.20 = 23,317.45/x
  3. Step 3: Cross multiply
    75,914.80x = 113,872.20 × 23,317.45
  4. Step 4: Simplify right side
    75,914.80x = 2,655,209,329.89
  5. Step 5: Solve for x
    x = 2,655,209,329.89/75,914.80
  6. Step 6: Final answer
    x = 34,976.18

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1.5x scale

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.