Home / 106,461.29-159,645.57-30,543.08

Finding the Fourth Proportional to 106,461.29, 159,645.57 and 30,543.08

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Solution

The fourth proportional to 106,461.29, 159,645.57 and 30,543.08 is: 45,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,461.29 : 159,645.57 = 30,543.08 : x
  2. Step 2: Convert to fraction form
    106,461.29/159,645.57 = 30,543.08/x
  3. Step 3: Cross multiply
    106,461.29x = 159,645.57 × 30,543.08
  4. Step 4: Simplify right side
    106,461.29x = 4,876,067,416.16
  5. Step 5: Solve for x
    x = 4,876,067,416.16/106,461.29
  6. Step 6: Final answer
    x = 45,801.32

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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.