Home / 69,869.99-96,422.32-38,040.64

Finding the Fourth Proportional to 69,869.99, 96,422.32 and 38,040.64

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Solution

The fourth proportional to 69,869.99, 96,422.32 and 38,040.64 is: 52,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,869.99 : 96,422.32 = 38,040.64 : x
  2. Step 2: Convert to fraction form
    69,869.99/96,422.32 = 38,040.64/x
  3. Step 3: Cross multiply
    69,869.99x = 96,422.32 × 38,040.64
  4. Step 4: Simplify right side
    69,869.99x = 3,667,966,569.58
  5. Step 5: Solve for x
    x = 3,667,966,569.58/69,869.99
  6. Step 6: Final answer
    x = 52,497.02

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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.