Home / 115,878.72-173,684.96-49,220.16

Finding the Fourth Proportional to 115,878.72, 173,684.96 and 49,220.16

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Solution

The fourth proportional to 115,878.72, 173,684.96 and 49,220.16 is: 73,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,878.72 : 173,684.96 = 49,220.16 : x
  2. Step 2: Convert to fraction form
    115,878.72/173,684.96 = 49,220.16/x
  3. Step 3: Cross multiply
    115,878.72x = 173,684.96 × 49,220.16
  4. Step 4: Simplify right side
    115,878.72x = 8,548,801,520.79
  5. Step 5: Solve for x
    x = 8,548,801,520.79/115,878.72
  6. Step 6: Final answer
    x = 73,773.70

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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.