Home / 76,854.89-115,293.13-26,923.56

Finding the Fourth Proportional to 76,854.89, 115,293.13 and 26,923.56

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Solution

The fourth proportional to 76,854.89, 115,293.13 and 26,923.56 is: 40,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,854.89 : 115,293.13 = 26,923.56 : x
  2. Step 2: Convert to fraction form
    76,854.89/115,293.13 = 26,923.56/x
  3. Step 3: Cross multiply
    76,854.89x = 115,293.13 × 26,923.56
  4. Step 4: Simplify right side
    76,854.89x = 3,104,101,435.83
  5. Step 5: Solve for x
    x = 3,104,101,435.83/76,854.89
  6. Step 6: Final answer
    x = 40,389.12

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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.