Home / 109,585.86-164,388.15-38,502.29

Finding the Fourth Proportional to 109,585.86, 164,388.15 and 38,502.29

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Solution

The fourth proportional to 109,585.86, 164,388.15 and 38,502.29 is: 57,756.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,585.86 : 164,388.15 = 38,502.29 : x
  2. Step 2: Convert to fraction form
    109,585.86/164,388.15 = 38,502.29/x
  3. Step 3: Cross multiply
    109,585.86x = 164,388.15 × 38,502.29
  4. Step 4: Simplify right side
    109,585.86x = 6,329,319,401.92
  5. Step 5: Solve for x
    x = 6,329,319,401.92/109,585.86
  6. Step 6: Final answer
    x = 57,756.72

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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.