Home / 89,116.47-122,976.05-50,874.51

Finding the Fourth Proportional to 89,116.47, 122,976.05 and 50,874.51

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Solution

The fourth proportional to 89,116.47, 122,976.05 and 50,874.51 is: 70,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,116.47 : 122,976.05 = 50,874.51 : x
  2. Step 2: Convert to fraction form
    89,116.47/122,976.05 = 50,874.51/x
  3. Step 3: Cross multiply
    89,116.47x = 122,976.05 × 50,874.51
  4. Step 4: Simplify right side
    89,116.47x = 6,256,346,031.11
  5. Step 5: Solve for x
    x = 6,256,346,031.11/89,116.47
  6. Step 6: Final answer
    x = 70,204.15

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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.