Home / 69,887.28-96,441.90-38,055.48

Finding the Fourth Proportional to 69,887.28, 96,441.90 and 38,055.48

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Solution

The fourth proportional to 69,887.28, 96,441.90 and 38,055.48 is: 52,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,887.28 : 96,441.90 = 38,055.48 : x
  2. Step 2: Convert to fraction form
    69,887.28/96,441.90 = 38,055.48/x
  3. Step 3: Cross multiply
    69,887.28x = 96,441.90 × 38,055.48
  4. Step 4: Simplify right side
    69,887.28x = 3,670,142,796.61
  5. Step 5: Solve for x
    x = 3,670,142,796.61/69,887.28
  6. Step 6: Final answer
    x = 52,515.18

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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.