Home / 70,067.10-96,689.62-39,848.20

Finding the Fourth Proportional to 70,067.10, 96,689.62 and 39,848.20

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Solution

The fourth proportional to 70,067.10, 96,689.62 and 39,848.20 is: 54,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,067.10 : 96,689.62 = 39,848.20 : x
  2. Step 2: Convert to fraction form
    70,067.10/96,689.62 = 39,848.20/x
  3. Step 3: Cross multiply
    70,067.10x = 96,689.62 × 39,848.20
  4. Step 4: Simplify right side
    70,067.10x = 3,852,907,315.68
  5. Step 5: Solve for x
    x = 3,852,907,315.68/70,067.10
  6. Step 6: Final answer
    x = 54,988.82

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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.