Home / 58,278.20-80,421.58-34,412.56

Finding the Fourth Proportional to 58,278.20, 80,421.58 and 34,412.56

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Solution

The fourth proportional to 58,278.20, 80,421.58 and 34,412.56 is: 47,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,278.20 : 80,421.58 = 34,412.56 : x
  2. Step 2: Convert to fraction form
    58,278.20/80,421.58 = 34,412.56/x
  3. Step 3: Cross multiply
    58,278.20x = 80,421.58 × 34,412.56
  4. Step 4: Simplify right side
    58,278.20x = 2,767,512,447.04
  5. Step 5: Solve for x
    x = 2,767,512,447.04/58,278.20
  6. Step 6: Final answer
    x = 47,487.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.