Home / 69,576.28-96,009.38-39,360.04

Finding the Fourth Proportional to 69,576.28, 96,009.38 and 39,360.04

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Solution

The fourth proportional to 69,576.28, 96,009.38 and 39,360.04 is: 54,313.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,576.28 : 96,009.38 = 39,360.04 : x
  2. Step 2: Convert to fraction form
    69,576.28/96,009.38 = 39,360.04/x
  3. Step 3: Cross multiply
    69,576.28x = 96,009.38 × 39,360.04
  4. Step 4: Simplify right side
    69,576.28x = 3,778,933,037.18
  5. Step 5: Solve for x
    x = 3,778,933,037.18/69,576.28
  6. Step 6: Final answer
    x = 54,313.53

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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.