Home / 109,986.83-151,786.13-60,929.72

Finding the Fourth Proportional to 109,986.83, 151,786.13 and 60,929.72

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Solution

The fourth proportional to 109,986.83, 151,786.13 and 60,929.72 is: 84,085.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,986.83 : 151,786.13 = 60,929.72 : x
  2. Step 2: Convert to fraction form
    109,986.83/151,786.13 = 60,929.72/x
  3. Step 3: Cross multiply
    109,986.83x = 151,786.13 × 60,929.72
  4. Step 4: Simplify right side
    109,986.83x = 9,248,285,337.20
  5. Step 5: Solve for x
    x = 9,248,285,337.20/109,986.83
  6. Step 6: Final answer
    x = 84,085.39

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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.