Home / 106,581.08-147,063.48-61,248.44

Finding the Fourth Proportional to 106,581.08, 147,063.48 and 61,248.44

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Solution

The fourth proportional to 106,581.08, 147,063.48 and 61,248.44 is: 84,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,581.08 : 147,063.48 = 61,248.44 : x
  2. Step 2: Convert to fraction form
    106,581.08/147,063.48 = 61,248.44/x
  3. Step 3: Cross multiply
    106,581.08x = 147,063.48 × 61,248.44
  4. Step 4: Simplify right side
    106,581.08x = 9,007,408,730.97
  5. Step 5: Solve for x
    x = 9,007,408,730.97/106,581.08
  6. Step 6: Final answer
    x = 84,512.27

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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.