Home / 69,139.92-103,622.40-44,170.32

Finding the Fourth Proportional to 69,139.92, 103,622.40 and 44,170.32

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Solution

The fourth proportional to 69,139.92, 103,622.40 and 44,170.32 is: 66,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,139.92 : 103,622.40 = 44,170.32 : x
  2. Step 2: Convert to fraction form
    69,139.92/103,622.40 = 44,170.32/x
  3. Step 3: Cross multiply
    69,139.92x = 103,622.40 × 44,170.32
  4. Step 4: Simplify right side
    69,139.92x = 4,577,034,567.17
  5. Step 5: Solve for x
    x = 4,577,034,567.17/69,139.92
  6. Step 6: Final answer
    x = 66,199.59

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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.