Home / 69,912.18-96,478.02-38,081.07

Finding the Fourth Proportional to 69,912.18, 96,478.02 and 38,081.07

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Solution

The fourth proportional to 69,912.18, 96,478.02 and 38,081.07 is: 52,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,912.18 : 96,478.02 = 38,081.07 : x
  2. Step 2: Convert to fraction form
    69,912.18/96,478.02 = 38,081.07/x
  3. Step 3: Cross multiply
    69,912.18x = 96,478.02 × 38,081.07
  4. Step 4: Simplify right side
    69,912.18x = 3,673,986,233.08
  5. Step 5: Solve for x
    x = 3,673,986,233.08/69,912.18
  6. Step 6: Final answer
    x = 52,551.45

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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.