Home / 69,720.16-96,213.52-37,888.48

Finding the Fourth Proportional to 69,720.16, 96,213.52 and 37,888.48

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Solution

The fourth proportional to 69,720.16, 96,213.52 and 37,888.48 is: 52,285.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,720.16 : 96,213.52 = 37,888.48 : x
  2. Step 2: Convert to fraction form
    69,720.16/96,213.52 = 37,888.48/x
  3. Step 3: Cross multiply
    69,720.16x = 96,213.52 × 37,888.48
  4. Step 4: Simplify right side
    69,720.16x = 3,645,384,028.25
  5. Step 5: Solve for x
    x = 3,645,384,028.25/69,720.16
  6. Step 6: Final answer
    x = 52,285.94

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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.