Home / 109,739.35-164,663.70-62,390.80

Finding the Fourth Proportional to 109,739.35, 164,663.70 and 62,390.80

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Solution

The fourth proportional to 109,739.35, 164,663.70 and 62,390.80 is: 93,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,739.35 : 164,663.70 = 62,390.80 : x
  2. Step 2: Convert to fraction form
    109,739.35/164,663.70 = 62,390.80/x
  3. Step 3: Cross multiply
    109,739.35x = 164,663.70 × 62,390.80
  4. Step 4: Simplify right side
    109,739.35x = 10,273,499,973.96
  5. Step 5: Solve for x
    x = 10,273,499,973.96/109,739.35
  6. Step 6: Final answer
    x = 93,617.28

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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.