Home / 78,826.61-108,780.91-44,834.36

Finding the Fourth Proportional to 78,826.61, 108,780.91 and 44,834.36

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Solution

The fourth proportional to 78,826.61, 108,780.91 and 44,834.36 is: 61,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,826.61 : 108,780.91 = 44,834.36 : x
  2. Step 2: Convert to fraction form
    78,826.61/108,780.91 = 44,834.36/x
  3. Step 3: Cross multiply
    78,826.61x = 108,780.91 × 44,834.36
  4. Step 4: Simplify right side
    78,826.61x = 4,877,121,824.08
  5. Step 5: Solve for x
    x = 4,877,121,824.08/78,826.61
  6. Step 6: Final answer
    x = 61,871.51

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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.