Home / 124,338.18-171,586.56-67,749.54

Finding the Fourth Proportional to 124,338.18, 171,586.56 and 67,749.54

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Solution

The fourth proportional to 124,338.18, 171,586.56 and 67,749.54 is: 93,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,338.18 : 171,586.56 = 67,749.54 : x
  2. Step 2: Convert to fraction form
    124,338.18/171,586.56 = 67,749.54/x
  3. Step 3: Cross multiply
    124,338.18x = 171,586.56 × 67,749.54
  4. Step 4: Simplify right side
    124,338.18x = 11,624,910,510.18
  5. Step 5: Solve for x
    x = 11,624,910,510.18/124,338.18
  6. Step 6: Final answer
    x = 93,494.30

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1.5x scale

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.