Home / 76,616.10-115,010.55-59,163.30

Finding the Fourth Proportional to 76,616.10, 115,010.55 and 59,163.30

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Solution

The fourth proportional to 76,616.10, 115,010.55 and 59,163.30 is: 88,811.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,616.10 : 115,010.55 = 59,163.30 : x
  2. Step 2: Convert to fraction form
    76,616.10/115,010.55 = 59,163.30/x
  3. Step 3: Cross multiply
    76,616.10x = 115,010.55 × 59,163.30
  4. Step 4: Simplify right side
    76,616.10x = 6,804,403,672.82
  5. Step 5: Solve for x
    x = 6,804,403,672.82/76,616.10
  6. Step 6: Final answer
    x = 88,811.67

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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.