Home / 91,261.89-125,933.20-50,970.06

Finding the Fourth Proportional to 91,261.89, 125,933.20 and 50,970.06

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Solution

The fourth proportional to 91,261.89, 125,933.20 and 50,970.06 is: 70,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,261.89 : 125,933.20 = 50,970.06 : x
  2. Step 2: Convert to fraction form
    91,261.89/125,933.20 = 50,970.06/x
  3. Step 3: Cross multiply
    91,261.89x = 125,933.20 × 50,970.06
  4. Step 4: Simplify right side
    91,261.89x = 6,418,822,632.57
  5. Step 5: Solve for x
    x = 6,418,822,632.57/91,261.89
  6. Step 6: Final answer
    x = 70,334.10

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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.