Home / 109,628.48-164,177.76-62,739.20

Finding the Fourth Proportional to 109,628.48, 164,177.76 and 62,739.20

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Solution

The fourth proportional to 109,628.48, 164,177.76 and 62,739.20 is: 93,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,628.48 : 164,177.76 = 62,739.20 : x
  2. Step 2: Convert to fraction form
    109,628.48/164,177.76 = 62,739.20/x
  3. Step 3: Cross multiply
    109,628.48x = 164,177.76 × 62,739.20
  4. Step 4: Simplify right side
    109,628.48x = 10,300,381,320.19
  5. Step 5: Solve for x
    x = 10,300,381,320.19/109,628.48
  6. Step 6: Final answer
    x = 93,957.17

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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.