Home / 69,707.19-96,197.36-37,878.15

Finding the Fourth Proportional to 69,707.19, 96,197.36 and 37,878.15

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Solution

The fourth proportional to 69,707.19, 96,197.36 and 37,878.15 is: 52,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,707.19 : 96,197.36 = 37,878.15 : x
  2. Step 2: Convert to fraction form
    69,707.19/96,197.36 = 37,878.15/x
  3. Step 3: Cross multiply
    69,707.19x = 96,197.36 × 37,878.15
  4. Step 4: Simplify right side
    69,707.19x = 3,643,777,842.29
  5. Step 5: Solve for x
    x = 3,643,777,842.29/69,707.19
  6. Step 6: Final answer
    x = 52,272.63

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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.