Home / 124,253.40-171,471.66-67,664.73

Finding the Fourth Proportional to 124,253.40, 171,471.66 and 67,664.73

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Solution

The fourth proportional to 124,253.40, 171,471.66 and 67,664.73 is: 93,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,253.40 : 171,471.66 = 67,664.73 : x
  2. Step 2: Convert to fraction form
    124,253.40/171,471.66 = 67,664.73/x
  3. Step 3: Cross multiply
    124,253.40x = 171,471.66 × 67,664.73
  4. Step 4: Simplify right side
    124,253.40x = 11,602,583,576.55
  5. Step 5: Solve for x
    x = 11,602,583,576.55/124,253.40
  6. Step 6: Final answer
    x = 93,378.40

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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.