Home / 69,319.38-95,656.28-39,509.46

Finding the Fourth Proportional to 69,319.38, 95,656.28 and 39,509.46

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Solution

The fourth proportional to 69,319.38, 95,656.28 and 39,509.46 is: 54,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,319.38 : 95,656.28 = 39,509.46 : x
  2. Step 2: Convert to fraction form
    69,319.38/95,656.28 = 39,509.46/x
  3. Step 3: Cross multiply
    69,319.38x = 95,656.28 × 39,509.46
  4. Step 4: Simplify right side
    69,319.38x = 3,779,327,968.41
  5. Step 5: Solve for x
    x = 3,779,327,968.41/69,319.38
  6. Step 6: Final answer
    x = 54,520.51

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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.