Home / 109,442.31-164,148.75-30,564.51

Finding the Fourth Proportional to 109,442.31, 164,148.75 and 30,564.51

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Solution

The fourth proportional to 109,442.31, 164,148.75 and 30,564.51 is: 45,842.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,442.31 : 164,148.75 = 30,564.51 : x
  2. Step 2: Convert to fraction form
    109,442.31/164,148.75 = 30,564.51/x
  3. Step 3: Cross multiply
    109,442.31x = 164,148.75 × 30,564.51
  4. Step 4: Simplify right side
    109,442.31x = 5,017,126,110.86
  5. Step 5: Solve for x
    x = 5,017,126,110.86/109,442.31
  6. Step 6: Final answer
    x = 45,842.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.