Home / 69,547.44-95,969.70-39,331.20

Finding the Fourth Proportional to 69,547.44, 95,969.70 and 39,331.20

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Solution

The fourth proportional to 69,547.44, 95,969.70 and 39,331.20 is: 54,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,547.44 : 95,969.70 = 39,331.20 : x
  2. Step 2: Convert to fraction form
    69,547.44/95,969.70 = 39,331.20/x
  3. Step 3: Cross multiply
    69,547.44x = 95,969.70 × 39,331.20
  4. Step 4: Simplify right side
    69,547.44x = 3,774,603,464.64
  5. Step 5: Solve for x
    x = 3,774,603,464.64/69,547.44
  6. Step 6: Final answer
    x = 54,273.79

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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.