Home / 75,516.80-113,277.12-42,218.24

Finding the Fourth Proportional to 75,516.80, 113,277.12 and 42,218.24

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Solution

The fourth proportional to 75,516.80, 113,277.12 and 42,218.24 is: 63,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,516.80 : 113,277.12 = 42,218.24 : x
  2. Step 2: Convert to fraction form
    75,516.80/113,277.12 = 42,218.24/x
  3. Step 3: Cross multiply
    75,516.80x = 113,277.12 × 42,218.24
  4. Step 4: Simplify right side
    75,516.80x = 4,782,360,638.67
  5. Step 5: Solve for x
    x = 4,782,360,638.67/75,516.80
  6. Step 6: Final answer
    x = 63,328.43

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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.