Home / 76,801.77-115,254.50-26,882.28

Finding the Fourth Proportional to 76,801.77, 115,254.50 and 26,882.28

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Solution

The fourth proportional to 76,801.77, 115,254.50 and 26,882.28 is: 40,341.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,801.77 : 115,254.50 = 26,882.28 : x
  2. Step 2: Convert to fraction form
    76,801.77/115,254.50 = 26,882.28/x
  3. Step 3: Cross multiply
    76,801.77x = 115,254.50 × 26,882.28
  4. Step 4: Simplify right side
    76,801.77x = 3,098,303,605.85
  5. Step 5: Solve for x
    x = 3,098,303,605.85/76,801.77
  6. Step 6: Final answer
    x = 40,341.57

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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.