Home / 69,026.68-103,507.62-31,576.12

Finding the Fourth Proportional to 69,026.68, 103,507.62 and 31,576.12

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Solution

The fourth proportional to 69,026.68, 103,507.62 and 31,576.12 is: 47,349.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,026.68 : 103,507.62 = 31,576.12 : x
  2. Step 2: Convert to fraction form
    69,026.68/103,507.62 = 31,576.12/x
  3. Step 3: Cross multiply
    69,026.68x = 103,507.62 × 31,576.12
  4. Step 4: Simplify right side
    69,026.68x = 3,268,369,030.03
  5. Step 5: Solve for x
    x = 3,268,369,030.03/69,026.68
  6. Step 6: Final answer
    x = 47,349.36

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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.