Home / 76,776.95-115,110.87-29,352.06

Finding the Fourth Proportional to 76,776.95, 115,110.87 and 29,352.06

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Solution

The fourth proportional to 76,776.95, 115,110.87 and 29,352.06 is: 44,007.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,776.95 : 115,110.87 = 29,352.06 : x
  2. Step 2: Convert to fraction form
    76,776.95/115,110.87 = 29,352.06/x
  3. Step 3: Cross multiply
    76,776.95x = 115,110.87 × 29,352.06
  4. Step 4: Simplify right side
    76,776.95x = 3,378,741,162.89
  5. Step 5: Solve for x
    x = 3,378,741,162.89/76,776.95
  6. Step 6: Final answer
    x = 44,007.23

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1.5x scale

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.