Home / 77,516.12-116,165.88-41,900.69

Finding the Fourth Proportional to 77,516.12, 116,165.88 and 41,900.69

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Solution

The fourth proportional to 77,516.12, 116,165.88 and 41,900.69 is: 62,792.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,516.12 : 116,165.88 = 41,900.69 : x
  2. Step 2: Convert to fraction form
    77,516.12/116,165.88 = 41,900.69/x
  3. Step 3: Cross multiply
    77,516.12x = 116,165.88 × 41,900.69
  4. Step 4: Simplify right side
    77,516.12x = 4,867,430,816.87
  5. Step 5: Solve for x
    x = 4,867,430,816.87/77,516.12
  6. Step 6: Final answer
    x = 62,792.50

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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.