Home / 83,090.58-124,631.55-26,929.86

Finding the Fourth Proportional to 83,090.58, 124,631.55 and 26,929.86

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Solution

The fourth proportional to 83,090.58, 124,631.55 and 26,929.86 is: 40,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,090.58 : 124,631.55 = 26,929.86 : x
  2. Step 2: Convert to fraction form
    83,090.58/124,631.55 = 26,929.86/x
  3. Step 3: Cross multiply
    83,090.58x = 124,631.55 × 26,929.86
  4. Step 4: Simplify right side
    83,090.58x = 3,356,310,193.08
  5. Step 5: Solve for x
    x = 3,356,310,193.08/83,090.58
  6. Step 6: Final answer
    x = 40,393.39

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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.