Home / 69,013.71-95,242.31-38,808.54

Finding the Fourth Proportional to 69,013.71, 95,242.31 and 38,808.54

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Solution

The fourth proportional to 69,013.71, 95,242.31 and 38,808.54 is: 53,557.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,013.71 : 95,242.31 = 38,808.54 : x
  2. Step 2: Convert to fraction form
    69,013.71/95,242.31 = 38,808.54/x
  3. Step 3: Cross multiply
    69,013.71x = 95,242.31 × 38,808.54
  4. Step 4: Simplify right side
    69,013.71x = 3,696,214,803.28
  5. Step 5: Solve for x
    x = 3,696,214,803.28/69,013.71
  6. Step 6: Final answer
    x = 53,557.69

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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.