Home / 116,916.62-161,308.22-71,547.30

Finding the Fourth Proportional to 116,916.62, 161,308.22 and 71,547.30

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Solution

The fourth proportional to 116,916.62, 161,308.22 and 71,547.30 is: 98,712.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,916.62 : 161,308.22 = 71,547.30 : x
  2. Step 2: Convert to fraction form
    116,916.62/161,308.22 = 71,547.30/x
  3. Step 3: Cross multiply
    116,916.62x = 161,308.22 × 71,547.30
  4. Step 4: Simplify right side
    116,916.62x = 11,541,167,251.07
  5. Step 5: Solve for x
    x = 11,541,167,251.07/116,916.62
  6. Step 6: Final answer
    x = 98,712.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.