Home / 115,220.50-172,898.79-48,656.32

Finding the Fourth Proportional to 115,220.50, 172,898.79 and 48,656.32

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Solution

The fourth proportional to 115,220.50, 172,898.79 and 48,656.32 is: 73,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,220.50 : 172,898.79 = 48,656.32 : x
  2. Step 2: Convert to fraction form
    115,220.50/172,898.79 = 48,656.32/x
  3. Step 3: Cross multiply
    115,220.50x = 172,898.79 × 48,656.32
  4. Step 4: Simplify right side
    115,220.50x = 8,412,618,853.85
  5. Step 5: Solve for x
    x = 8,412,618,853.85/115,220.50
  6. Step 6: Final answer
    x = 73,013.21

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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.