Home / 124,627.19-171,984.64-68,038.56

Finding the Fourth Proportional to 124,627.19, 171,984.64 and 68,038.56

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Solution

The fourth proportional to 124,627.19, 171,984.64 and 68,038.56 is: 93,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,627.19 : 171,984.64 = 68,038.56 : x
  2. Step 2: Convert to fraction form
    124,627.19/171,984.64 = 68,038.56/x
  3. Step 3: Cross multiply
    124,627.19x = 171,984.64 × 68,038.56
  4. Step 4: Simplify right side
    124,627.19x = 11,701,587,247.72
  5. Step 5: Solve for x
    x = 11,701,587,247.72/124,627.19
  6. Step 6: Final answer
    x = 93,892.73

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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.