Home / 84,550.20-116,413.72-71,776.91

Finding the Fourth Proportional to 84,550.20, 116,413.72 and 71,776.91

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Solution

The fourth proportional to 84,550.20, 116,413.72 and 71,776.91 is: 98,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,550.20 : 116,413.72 = 71,776.91 : x
  2. Step 2: Convert to fraction form
    84,550.20/116,413.72 = 71,776.91/x
  3. Step 3: Cross multiply
    84,550.20x = 116,413.72 × 71,776.91
  4. Step 4: Simplify right side
    84,550.20x = 8,355,817,103.21
  5. Step 5: Solve for x
    x = 8,355,817,103.21/84,550.20
  6. Step 6: Final answer
    x = 98,826.70

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1.5x scale

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.