Home / 125,132.50-172,682.94-68,544.10

Finding the Fourth Proportional to 125,132.50, 172,682.94 and 68,544.10

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Solution

The fourth proportional to 125,132.50, 172,682.94 and 68,544.10 is: 94,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,132.50 : 172,682.94 = 68,544.10 : x
  2. Step 2: Convert to fraction form
    125,132.50/172,682.94 = 68,544.10/x
  3. Step 3: Cross multiply
    125,132.50x = 172,682.94 × 68,544.10
  4. Step 4: Simplify right side
    125,132.50x = 11,836,396,707.65
  5. Step 5: Solve for x
    x = 11,836,396,707.65/125,132.50
  6. Step 6: Final answer
    x = 94,590.91

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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.