Home / 57,480.19-86,195.15-28,999.62

Finding the Fourth Proportional to 57,480.19, 86,195.15 and 28,999.62

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Solution

The fourth proportional to 57,480.19, 86,195.15 and 28,999.62 is: 43,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,480.19 : 86,195.15 = 28,999.62 : x
  2. Step 2: Convert to fraction form
    57,480.19/86,195.15 = 28,999.62/x
  3. Step 3: Cross multiply
    57,480.19x = 86,195.15 × 28,999.62
  4. Step 4: Simplify right side
    57,480.19x = 2,499,626,595.84
  5. Step 5: Solve for x
    x = 2,499,626,595.84/57,480.19
  6. Step 6: Final answer
    x = 43,486.75

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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.