Home / 63,074.13-87,043.32-34,778.13

Finding the Fourth Proportional to 63,074.13, 87,043.32 and 34,778.13

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Solution

The fourth proportional to 63,074.13, 87,043.32 and 34,778.13 is: 47,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,074.13 : 87,043.32 = 34,778.13 : x
  2. Step 2: Convert to fraction form
    63,074.13/87,043.32 = 34,778.13/x
  3. Step 3: Cross multiply
    63,074.13x = 87,043.32 × 34,778.13
  4. Step 4: Simplify right side
    63,074.13x = 3,027,203,898.59
  5. Step 5: Solve for x
    x = 3,027,203,898.59/63,074.13
  6. Step 6: Final answer
    x = 47,994.38

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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.