Home / 76,857.93-115,330.10-41,800.05

Finding the Fourth Proportional to 76,857.93, 115,330.10 and 41,800.05

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Solution

The fourth proportional to 76,857.93, 115,330.10 and 41,800.05 is: 62,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,857.93 : 115,330.10 = 41,800.05 : x
  2. Step 2: Convert to fraction form
    76,857.93/115,330.10 = 41,800.05/x
  3. Step 3: Cross multiply
    76,857.93x = 115,330.10 × 41,800.05
  4. Step 4: Simplify right side
    76,857.93x = 4,820,803,737.50
  5. Step 5: Solve for x
    x = 4,820,803,737.50/76,857.93
  6. Step 6: Final answer
    x = 62,723.57

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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.