Home / 106,929.28-147,564.64-59,181.44

Finding the Fourth Proportional to 106,929.28, 147,564.64 and 59,181.44

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Solution

The fourth proportional to 106,929.28, 147,564.64 and 59,181.44 is: 81,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,929.28 : 147,564.64 = 59,181.44 : x
  2. Step 2: Convert to fraction form
    106,929.28/147,564.64 = 59,181.44/x
  3. Step 3: Cross multiply
    106,929.28x = 147,564.64 × 59,181.44
  4. Step 4: Simplify right side
    106,929.28x = 8,733,087,888.28
  5. Step 5: Solve for x
    x = 8,733,087,888.28/106,929.28
  6. Step 6: Final answer
    x = 81,671.62

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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.