Home / 91,039.60-125,619.42-50,744.53

Finding the Fourth Proportional to 91,039.60, 125,619.42 and 50,744.53

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Solution

The fourth proportional to 91,039.60, 125,619.42 and 50,744.53 is: 70,018.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,039.60 : 125,619.42 = 50,744.53 : x
  2. Step 2: Convert to fraction form
    91,039.60/125,619.42 = 50,744.53/x
  3. Step 3: Cross multiply
    91,039.60x = 125,619.42 × 50,744.53
  4. Step 4: Simplify right side
    91,039.60x = 6,374,498,426.77
  5. Step 5: Solve for x
    x = 6,374,498,426.77/91,039.60
  6. Step 6: Final answer
    x = 70,018.96

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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.