Home / 108,320.70-162,351.45-55,703.10

Finding the Fourth Proportional to 108,320.70, 162,351.45 and 55,703.10

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Solution

The fourth proportional to 108,320.70, 162,351.45 and 55,703.10 is: 83,488.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,320.70 : 162,351.45 = 55,703.10 : x
  2. Step 2: Convert to fraction form
    108,320.70/162,351.45 = 55,703.10/x
  3. Step 3: Cross multiply
    108,320.70x = 162,351.45 × 55,703.10
  4. Step 4: Simplify right side
    108,320.70x = 9,043,479,054.50
  5. Step 5: Solve for x
    x = 9,043,479,054.50/108,320.70
  6. Step 6: Final answer
    x = 83,488.00

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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.