Home / 69,528.29-95,948.45-39,319.55

Finding the Fourth Proportional to 69,528.29, 95,948.45 and 39,319.55

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Solution

The fourth proportional to 69,528.29, 95,948.45 and 39,319.55 is: 54,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,528.29 : 95,948.45 = 39,319.55 : x
  2. Step 2: Convert to fraction form
    69,528.29/95,948.45 = 39,319.55/x
  3. Step 3: Cross multiply
    69,528.29x = 95,948.45 × 39,319.55
  4. Step 4: Simplify right side
    69,528.29x = 3,772,649,200.86
  5. Step 5: Solve for x
    x = 3,772,649,200.86/69,528.29
  6. Step 6: Final answer
    x = 54,260.64

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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.