Home / 75,300.14-112,931.24-30,939.14

Finding the Fourth Proportional to 75,300.14, 112,931.24 and 30,939.14

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Solution

The fourth proportional to 75,300.14, 112,931.24 and 30,939.14 is: 46,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,300.14 : 112,931.24 = 30,939.14 : x
  2. Step 2: Convert to fraction form
    75,300.14/112,931.24 = 30,939.14/x
  3. Step 3: Cross multiply
    75,300.14x = 112,931.24 × 30,939.14
  4. Step 4: Simplify right side
    75,300.14x = 3,493,995,444.73
  5. Step 5: Solve for x
    x = 3,493,995,444.73/75,300.14
  6. Step 6: Final answer
    x = 46,400.92

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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.