Home / 76,287.28-114,402.80-26,354.56

Finding the Fourth Proportional to 76,287.28, 114,402.80 and 26,354.56

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Solution

The fourth proportional to 76,287.28, 114,402.80 and 26,354.56 is: 39,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,287.28 : 114,402.80 = 26,354.56 : x
  2. Step 2: Convert to fraction form
    76,287.28/114,402.80 = 26,354.56/x
  3. Step 3: Cross multiply
    76,287.28x = 114,402.80 × 26,354.56
  4. Step 4: Simplify right side
    76,287.28x = 3,015,035,456.77
  5. Step 5: Solve for x
    x = 3,015,035,456.77/76,287.28
  6. Step 6: Final answer
    x = 39,522.13

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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.