Home / 88,592.81-122,260.52-54,143.11

Finding the Fourth Proportional to 88,592.81, 122,260.52 and 54,143.11

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Solution

The fourth proportional to 88,592.81, 122,260.52 and 54,143.11 is: 74,718.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,592.81 : 122,260.52 = 54,143.11 : x
  2. Step 2: Convert to fraction form
    88,592.81/122,260.52 = 54,143.11/x
  3. Step 3: Cross multiply
    88,592.81x = 122,260.52 × 54,143.11
  4. Step 4: Simplify right side
    88,592.81x = 6,619,564,612.72
  5. Step 5: Solve for x
    x = 6,619,564,612.72/88,592.81
  6. Step 6: Final answer
    x = 74,718.99

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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.