Home / 124,530.30-186,795.45-35,778.60

Finding the Fourth Proportional to 124,530.30, 186,795.45 and 35,778.60

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Solution

The fourth proportional to 124,530.30, 186,795.45 and 35,778.60 is: 53,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,530.30 : 186,795.45 = 35,778.60 : x
  2. Step 2: Convert to fraction form
    124,530.30/186,795.45 = 35,778.60/x
  3. Step 3: Cross multiply
    124,530.30x = 186,795.45 × 35,778.60
  4. Step 4: Simplify right side
    124,530.30x = 6,683,279,687.37
  5. Step 5: Solve for x
    x = 6,683,279,687.37/124,530.30
  6. Step 6: Final answer
    x = 53,667.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.