Home / 124,027.76-171,151.44-67,438.64

Finding the Fourth Proportional to 124,027.76, 171,151.44 and 67,438.64

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Solution

The fourth proportional to 124,027.76, 171,151.44 and 67,438.64 is: 93,061.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,027.76 : 171,151.44 = 67,438.64 : x
  2. Step 2: Convert to fraction form
    124,027.76/171,151.44 = 67,438.64/x
  3. Step 3: Cross multiply
    124,027.76x = 171,151.44 × 67,438.64
  4. Step 4: Simplify right side
    124,027.76x = 11,542,220,347.64
  5. Step 5: Solve for x
    x = 11,542,220,347.64/124,027.76
  6. Step 6: Final answer
    x = 93,061.59

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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.