Home / 80,089.12-120,320.50-46,832.55

Finding the Fourth Proportional to 80,089.12, 120,320.50 and 46,832.55

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Solution

The fourth proportional to 80,089.12, 120,320.50 and 46,832.55 is: 70,358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,089.12 : 120,320.50 = 46,832.55 : x
  2. Step 2: Convert to fraction form
    80,089.12/120,320.50 = 46,832.55/x
  3. Step 3: Cross multiply
    80,089.12x = 120,320.50 × 46,832.55
  4. Step 4: Simplify right side
    80,089.12x = 5,634,916,432.87
  5. Step 5: Solve for x
    x = 5,634,916,432.87/80,089.12
  6. Step 6: Final answer
    x = 70,358.08

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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.