Home / 109,551.29-164,345.09-38,455.48

Finding the Fourth Proportional to 109,551.29, 164,345.09 and 38,455.48

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Solution

The fourth proportional to 109,551.29, 164,345.09 and 38,455.48 is: 57,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,551.29 : 164,345.09 = 38,455.48 : x
  2. Step 2: Convert to fraction form
    109,551.29/164,345.09 = 38,455.48/x
  3. Step 3: Cross multiply
    109,551.29x = 164,345.09 × 38,455.48
  4. Step 4: Simplify right side
    109,551.29x = 6,319,968,410.31
  5. Step 5: Solve for x
    x = 6,319,968,410.31/109,551.29
  6. Step 6: Final answer
    x = 57,689.59

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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.