Home / 69,960.48-96,544.35-38,129.64

Finding the Fourth Proportional to 69,960.48, 96,544.35 and 38,129.64

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Solution

The fourth proportional to 69,960.48, 96,544.35 and 38,129.64 is: 52,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,960.48 : 96,544.35 = 38,129.64 : x
  2. Step 2: Convert to fraction form
    69,960.48/96,544.35 = 38,129.64/x
  3. Step 3: Cross multiply
    69,960.48x = 96,544.35 × 38,129.64
  4. Step 4: Simplify right side
    69,960.48x = 3,681,201,309.53
  5. Step 5: Solve for x
    x = 3,681,201,309.53/69,960.48
  6. Step 6: Final answer
    x = 52,618.30

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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.