Home / 106,068.60-146,371.86-57,669

Finding the Fourth Proportional to 106,068.60, 146,371.86 and 57,669

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Solution

The fourth proportional to 106,068.60, 146,371.86 and 57,669 is: 79,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,068.60 : 146,371.86 = 57,669 : x
  2. Step 2: Convert to fraction form
    106,068.60/146,371.86 = 57,669/x
  3. Step 3: Cross multiply
    106,068.60x = 146,371.86 × 57,669
  4. Step 4: Simplify right side
    106,068.60x = 8,441,118,794.34
  5. Step 5: Solve for x
    x = 8,441,118,794.34/106,068.60
  6. Step 6: Final answer
    x = 79,581.69

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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.