Home / 91,095.57-125,712.06-50,811.95

Finding the Fourth Proportional to 91,095.57, 125,712.06 and 50,811.95

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Solution

The fourth proportional to 91,095.57, 125,712.06 and 50,811.95 is: 70,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,095.57 : 125,712.06 = 50,811.95 : x
  2. Step 2: Convert to fraction form
    91,095.57/125,712.06 = 50,811.95/x
  3. Step 3: Cross multiply
    91,095.57x = 125,712.06 × 50,811.95
  4. Step 4: Simplify right side
    91,095.57x = 6,387,674,278.56
  5. Step 5: Solve for x
    x = 6,387,674,278.56/91,095.57
  6. Step 6: Final answer
    x = 70,120.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.