Home / 91,047.89-125,646.61-50,764.16

Finding the Fourth Proportional to 91,047.89, 125,646.61 and 50,764.16

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Solution

The fourth proportional to 91,047.89, 125,646.61 and 50,764.16 is: 70,054.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,047.89 : 125,646.61 = 50,764.16 : x
  2. Step 2: Convert to fraction form
    91,047.89/125,646.61 = 50,764.16/x
  3. Step 3: Cross multiply
    91,047.89x = 125,646.61 × 50,764.16
  4. Step 4: Simplify right side
    91,047.89x = 6,378,344,613.50
  5. Step 5: Solve for x
    x = 6,378,344,613.50/91,047.89
  6. Step 6: Final answer
    x = 70,054.83

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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.