Home / 107,841.81-161,763.75-28,956.04

Finding the Fourth Proportional to 107,841.81, 161,763.75 and 28,956.04

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Solution

The fourth proportional to 107,841.81, 161,763.75 and 28,956.04 is: 43,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,841.81 : 161,763.75 = 28,956.04 : x
  2. Step 2: Convert to fraction form
    107,841.81/161,763.75 = 28,956.04/x
  3. Step 3: Cross multiply
    107,841.81x = 161,763.75 × 28,956.04
  4. Step 4: Simplify right side
    107,841.81x = 4,684,037,666.10
  5. Step 5: Solve for x
    x = 4,684,037,666.10/107,841.81
  6. Step 6: Final answer
    x = 43,434.34

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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.