Home / 91,189.06-125,870.97-53,462.50

Finding the Fourth Proportional to 91,189.06, 125,870.97 and 53,462.50

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Solution

The fourth proportional to 91,189.06, 125,870.97 and 53,462.50 is: 73,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,189.06 : 125,870.97 = 53,462.50 : x
  2. Step 2: Convert to fraction form
    91,189.06/125,870.97 = 53,462.50/x
  3. Step 3: Cross multiply
    91,189.06x = 125,870.97 × 53,462.50
  4. Step 4: Simplify right side
    91,189.06x = 6,729,376,733.63
  5. Step 5: Solve for x
    x = 6,729,376,733.63/91,189.06
  6. Step 6: Final answer
    x = 73,795.88

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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.