Home / 69,685.38-96,205.73-45,881.25

Finding the Fourth Proportional to 69,685.38, 96,205.73 and 45,881.25

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Solution

The fourth proportional to 69,685.38, 96,205.73 and 45,881.25 is: 63,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,685.38 : 96,205.73 = 45,881.25 : x
  2. Step 2: Convert to fraction form
    69,685.38/96,205.73 = 45,881.25/x
  3. Step 3: Cross multiply
    69,685.38x = 96,205.73 × 45,881.25
  4. Step 4: Simplify right side
    69,685.38x = 4,414,038,920.16
  5. Step 5: Solve for x
    x = 4,414,038,920.16/69,685.38
  6. Step 6: Final answer
    x = 63,342.40

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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.