Home / 95,319.45-142,980.21-28,760.16

Finding the Fourth Proportional to 95,319.45, 142,980.21 and 28,760.16

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Solution

The fourth proportional to 95,319.45, 142,980.21 and 28,760.16 is: 43,140.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,319.45 : 142,980.21 = 28,760.16 : x
  2. Step 2: Convert to fraction form
    95,319.45/142,980.21 = 28,760.16/x
  3. Step 3: Cross multiply
    95,319.45x = 142,980.21 × 28,760.16
  4. Step 4: Simplify right side
    95,319.45x = 4,112,133,716.43
  5. Step 5: Solve for x
    x = 4,112,133,716.43/95,319.45
  6. Step 6: Final answer
    x = 43,140.55

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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.