Home / 76,420.11-114,631.52-26,501.97

Finding the Fourth Proportional to 76,420.11, 114,631.52 and 26,501.97

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Solution

The fourth proportional to 76,420.11, 114,631.52 and 26,501.97 is: 39,753.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,420.11 : 114,631.52 = 26,501.97 : x
  2. Step 2: Convert to fraction form
    76,420.11/114,631.52 = 26,501.97/x
  3. Step 3: Cross multiply
    76,420.11x = 114,631.52 × 26,501.97
  4. Step 4: Simplify right side
    76,420.11x = 3,037,960,971.58
  5. Step 5: Solve for x
    x = 3,037,960,971.58/76,420.11
  6. Step 6: Final answer
    x = 39,753.42

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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.