Home / 63,199.74-87,219.38-36,345.21

Finding the Fourth Proportional to 63,199.74, 87,219.38 and 36,345.21

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Solution

The fourth proportional to 63,199.74, 87,219.38 and 36,345.21 is: 50,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,199.74 : 87,219.38 = 36,345.21 : x
  2. Step 2: Convert to fraction form
    63,199.74/87,219.38 = 36,345.21/x
  3. Step 3: Cross multiply
    63,199.74x = 87,219.38 × 36,345.21
  4. Step 4: Simplify right side
    63,199.74x = 3,170,006,445.96
  5. Step 5: Solve for x
    x = 3,170,006,445.96/63,199.74
  6. Step 6: Final answer
    x = 50,158.53

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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.