Home / 82,987.20-124,443.36-23,809.44

Finding the Fourth Proportional to 82,987.20, 124,443.36 and 23,809.44

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Solution

The fourth proportional to 82,987.20, 124,443.36 and 23,809.44 is: 35,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,987.20 : 124,443.36 = 23,809.44 : x
  2. Step 2: Convert to fraction form
    82,987.20/124,443.36 = 23,809.44/x
  3. Step 3: Cross multiply
    82,987.20x = 124,443.36 × 23,809.44
  4. Step 4: Simplify right side
    82,987.20x = 2,962,926,713.32
  5. Step 5: Solve for x
    x = 2,962,926,713.32/82,987.20
  6. Step 6: Final answer
    x = 35,703.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.