Home / 97,669.77-134,787.12-55,227.39

Finding the Fourth Proportional to 97,669.77, 134,787.12 and 55,227.39

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Solution

The fourth proportional to 97,669.77, 134,787.12 and 55,227.39 is: 76,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,669.77 : 134,787.12 = 55,227.39 : x
  2. Step 2: Convert to fraction form
    97,669.77/134,787.12 = 55,227.39/x
  3. Step 3: Cross multiply
    97,669.77x = 134,787.12 × 55,227.39
  4. Step 4: Simplify right side
    97,669.77x = 7,443,940,843.22
  5. Step 5: Solve for x
    x = 7,443,940,843.22/97,669.77
  6. Step 6: Final answer
    x = 76,215.40

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1.5x scale

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.