Home / 124,111.36-171,274.08-67,522.72

Finding the Fourth Proportional to 124,111.36, 171,274.08 and 67,522.72

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Solution

The fourth proportional to 124,111.36, 171,274.08 and 67,522.72 is: 93,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,111.36 : 171,274.08 = 67,522.72 : x
  2. Step 2: Convert to fraction form
    124,111.36/171,274.08 = 67,522.72/x
  3. Step 3: Cross multiply
    124,111.36x = 171,274.08 × 67,522.72
  4. Step 4: Simplify right side
    124,111.36x = 11,564,891,747.10
  5. Step 5: Solve for x
    x = 11,564,891,747.10/124,111.36
  6. Step 6: Final answer
    x = 93,181.57

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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.