Home / 124,280.37-171,508.89-67,691.73

Finding the Fourth Proportional to 124,280.37, 171,508.89 and 67,691.73

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Solution

The fourth proportional to 124,280.37, 171,508.89 and 67,691.73 is: 93,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,280.37 : 171,508.89 = 67,691.73 : x
  2. Step 2: Convert to fraction form
    124,280.37/171,508.89 = 67,691.73/x
  3. Step 3: Cross multiply
    124,280.37x = 171,508.89 × 67,691.73
  4. Step 4: Simplify right side
    124,280.37x = 11,609,733,474.48
  5. Step 5: Solve for x
    x = 11,609,733,474.48/124,280.37
  6. Step 6: Final answer
    x = 93,415.67

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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.