Home / 93,494.39-140,292.61-54,128.39

Finding the Fourth Proportional to 93,494.39, 140,292.61 and 54,128.39

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Solution

The fourth proportional to 93,494.39, 140,292.61 and 54,128.39 is: 81,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,494.39 : 140,292.61 = 54,128.39 : x
  2. Step 2: Convert to fraction form
    93,494.39/140,292.61 = 54,128.39/x
  3. Step 3: Cross multiply
    93,494.39x = 140,292.61 × 54,128.39
  4. Step 4: Simplify right side
    93,494.39x = 7,593,813,108.20
  5. Step 5: Solve for x
    x = 7,593,813,108.20/93,494.39
  6. Step 6: Final answer
    x = 81,222.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.