Home / 70,282.66-96,989.22-40,067.02

Finding the Fourth Proportional to 70,282.66, 96,989.22 and 40,067.02

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Solution

The fourth proportional to 70,282.66, 96,989.22 and 40,067.02 is: 55,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,282.66 : 96,989.22 = 40,067.02 : x
  2. Step 2: Convert to fraction form
    70,282.66/96,989.22 = 40,067.02/x
  3. Step 3: Cross multiply
    70,282.66x = 96,989.22 × 40,067.02
  4. Step 4: Simplify right side
    70,282.66x = 3,886,069,017.52
  5. Step 5: Solve for x
    x = 3,886,069,017.52/70,282.66
  6. Step 6: Final answer
    x = 55,292.00

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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.