Home / 63,641.50-95,438.24-51,130.78

Finding the Fourth Proportional to 63,641.50, 95,438.24 and 51,130.78

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Solution

The fourth proportional to 63,641.50, 95,438.24 and 51,130.78 is: 76,676.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,641.50 : 95,438.24 = 51,130.78 : x
  2. Step 2: Convert to fraction form
    63,641.50/95,438.24 = 51,130.78/x
  3. Step 3: Cross multiply
    63,641.50x = 95,438.24 × 51,130.78
  4. Step 4: Simplify right side
    63,641.50x = 4,879,831,653.03
  5. Step 5: Solve for x
    x = 4,879,831,653.03/63,641.50
  6. Step 6: Final answer
    x = 76,676.88

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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.