Home / 83,097.12-124,571.44-30,494.40

Finding the Fourth Proportional to 83,097.12, 124,571.44 and 30,494.40

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Solution

The fourth proportional to 83,097.12, 124,571.44 and 30,494.40 is: 45,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,097.12 : 124,571.44 = 30,494.40 : x
  2. Step 2: Convert to fraction form
    83,097.12/124,571.44 = 30,494.40/x
  3. Step 3: Cross multiply
    83,097.12x = 124,571.44 × 30,494.40
  4. Step 4: Simplify right side
    83,097.12x = 3,798,731,319.94
  5. Step 5: Solve for x
    x = 3,798,731,319.94/83,097.12
  6. Step 6: Final answer
    x = 45,714.36

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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.