Home / 91,047.82-125,646.55-50,764.16

Finding the Fourth Proportional to 91,047.82, 125,646.55 and 50,764.16

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Solution

The fourth proportional to 91,047.82, 125,646.55 and 50,764.16 is: 70,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,047.82 : 125,646.55 = 50,764.16 : x
  2. Step 2: Convert to fraction form
    91,047.82/125,646.55 = 50,764.16/x
  3. Step 3: Cross multiply
    91,047.82x = 125,646.55 × 50,764.16
  4. Step 4: Simplify right side
    91,047.82x = 6,378,341,567.65
  5. Step 5: Solve for x
    x = 6,378,341,567.65/91,047.82
  6. Step 6: Final answer
    x = 70,054.85

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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.