Home / 76,770.48-115,132.47-26,841.27

Finding the Fourth Proportional to 76,770.48, 115,132.47 and 26,841.27

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Solution

The fourth proportional to 76,770.48, 115,132.47 and 26,841.27 is: 40,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,770.48 : 115,132.47 = 26,841.27 : x
  2. Step 2: Convert to fraction form
    76,770.48/115,132.47 = 26,841.27/x
  3. Step 3: Cross multiply
    76,770.48x = 115,132.47 × 26,841.27
  4. Step 4: Simplify right side
    76,770.48x = 3,090,301,713.04
  5. Step 5: Solve for x
    x = 3,090,301,713.04/76,770.48
  6. Step 6: Final answer
    x = 40,253.78

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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.