Home / 91,184.96-125,856.24-53,471.36

Finding the Fourth Proportional to 91,184.96, 125,856.24 and 53,471.36

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Solution

The fourth proportional to 91,184.96, 125,856.24 and 53,471.36 is: 73,802.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,184.96 : 125,856.24 = 53,471.36 : x
  2. Step 2: Convert to fraction form
    91,184.96/125,856.24 = 53,471.36/x
  3. Step 3: Cross multiply
    91,184.96x = 125,856.24 × 53,471.36
  4. Step 4: Simplify right side
    91,184.96x = 6,729,704,317.29
  5. Step 5: Solve for x
    x = 6,729,704,317.29/91,184.96
  6. Step 6: Final answer
    x = 73,802.79

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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.