Home / 78,746.18-108,678.95-44,759.77

Finding the Fourth Proportional to 78,746.18, 108,678.95 and 44,759.77

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Solution

The fourth proportional to 78,746.18, 108,678.95 and 44,759.77 is: 61,773.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,746.18 : 108,678.95 = 44,759.77 : x
  2. Step 2: Convert to fraction form
    78,746.18/108,678.95 = 44,759.77/x
  3. Step 3: Cross multiply
    78,746.18x = 108,678.95 × 44,759.77
  4. Step 4: Simplify right side
    78,746.18x = 4,864,444,582.04
  5. Step 5: Solve for x
    x = 4,864,444,582.04/78,746.18
  6. Step 6: Final answer
    x = 61,773.73

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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.