Home / 91,525.14-126,298.71-51,238.53

Finding the Fourth Proportional to 91,525.14, 126,298.71 and 51,238.53

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Solution

The fourth proportional to 91,525.14, 126,298.71 and 51,238.53 is: 70,705.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,525.14 : 126,298.71 = 51,238.53 : x
  2. Step 2: Convert to fraction form
    91,525.14/126,298.71 = 51,238.53/x
  3. Step 3: Cross multiply
    91,525.14x = 126,298.71 × 51,238.53
  4. Step 4: Simplify right side
    91,525.14x = 6,471,360,241.30
  5. Step 5: Solve for x
    x = 6,471,360,241.30/91,525.14
  6. Step 6: Final answer
    x = 70,705.82

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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.