Home / 103,105.48-154,633.02-32,970.28

Finding the Fourth Proportional to 103,105.48, 154,633.02 and 32,970.28

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Solution

The fourth proportional to 103,105.48, 154,633.02 and 32,970.28 is: 49,447.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,105.48 : 154,633.02 = 32,970.28 : x
  2. Step 2: Convert to fraction form
    103,105.48/154,633.02 = 32,970.28/x
  3. Step 3: Cross multiply
    103,105.48x = 154,633.02 × 32,970.28
  4. Step 4: Simplify right side
    103,105.48x = 5,098,293,966.65
  5. Step 5: Solve for x
    x = 5,098,293,966.65/103,105.48
  6. Step 6: Final answer
    x = 49,447.36

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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.