Home / 78,869.10-108,837.93-44,876.85

Finding the Fourth Proportional to 78,869.10, 108,837.93 and 44,876.85

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Solution

The fourth proportional to 78,869.10, 108,837.93 and 44,876.85 is: 61,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,869.10 : 108,837.93 = 44,876.85 : x
  2. Step 2: Convert to fraction form
    78,869.10/108,837.93 = 44,876.85/x
  3. Step 3: Cross multiply
    78,869.10x = 108,837.93 × 44,876.85
  4. Step 4: Simplify right side
    78,869.10x = 4,884,303,458.92
  5. Step 5: Solve for x
    x = 4,884,303,458.92/78,869.10
  6. Step 6: Final answer
    x = 61,929.24

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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.