Home / 75,310.41-112,966.43-22,720.35

Finding the Fourth Proportional to 75,310.41, 112,966.43 and 22,720.35

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Solution

The fourth proportional to 75,310.41, 112,966.43 and 22,720.35 is: 34,080.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,310.41 : 112,966.43 = 22,720.35 : x
  2. Step 2: Convert to fraction form
    75,310.41/112,966.43 = 22,720.35/x
  3. Step 3: Cross multiply
    75,310.41x = 112,966.43 × 22,720.35
  4. Step 4: Simplify right side
    75,310.41x = 2,566,636,714.25
  5. Step 5: Solve for x
    x = 2,566,636,714.25/75,310.41
  6. Step 6: Final answer
    x = 34,080.77

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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.