Home / 107,476.04-161,214.96-40,916.72

Finding the Fourth Proportional to 107,476.04, 161,214.96 and 40,916.72

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Solution

The fourth proportional to 107,476.04, 161,214.96 and 40,916.72 is: 61,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,476.04 : 161,214.96 = 40,916.72 : x
  2. Step 2: Convert to fraction form
    107,476.04/161,214.96 = 40,916.72/x
  3. Step 3: Cross multiply
    107,476.04x = 161,214.96 × 40,916.72
  4. Step 4: Simplify right side
    107,476.04x = 6,596,387,378.13
  5. Step 5: Solve for x
    x = 6,596,387,378.13/107,476.04
  6. Step 6: Final answer
    x = 61,375.42

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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.