Home / 109,768.83-151,483.94-62,021.08

Finding the Fourth Proportional to 109,768.83, 151,483.94 and 62,021.08

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Solution

The fourth proportional to 109,768.83, 151,483.94 and 62,021.08 is: 85,590.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,768.83 : 151,483.94 = 62,021.08 : x
  2. Step 2: Convert to fraction form
    109,768.83/151,483.94 = 62,021.08/x
  3. Step 3: Cross multiply
    109,768.83x = 151,483.94 × 62,021.08
  4. Step 4: Simplify right side
    109,768.83x = 9,395,197,561.46
  5. Step 5: Solve for x
    x = 9,395,197,561.46/109,768.83
  6. Step 6: Final answer
    x = 85,590.76

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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.