Home / 76,390.20-114,614.10-36,982.20

Finding the Fourth Proportional to 76,390.20, 114,614.10 and 36,982.20

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Solution

The fourth proportional to 76,390.20, 114,614.10 and 36,982.20 is: 55,487.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,390.20 : 114,614.10 = 36,982.20 : x
  2. Step 2: Convert to fraction form
    76,390.20/114,614.10 = 36,982.20/x
  3. Step 3: Cross multiply
    76,390.20x = 114,614.10 × 36,982.20
  4. Step 4: Simplify right side
    76,390.20x = 4,238,681,569.02
  5. Step 5: Solve for x
    x = 4,238,681,569.02/76,390.20
  6. Step 6: Final answer
    x = 55,487.24

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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.