Home / 77,700.14-116,550.21-51,398.73

Finding the Fourth Proportional to 77,700.14, 116,550.21 and 51,398.73

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Solution

The fourth proportional to 77,700.14, 116,550.21 and 51,398.73 is: 77,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,700.14 : 116,550.21 = 51,398.73 : x
  2. Step 2: Convert to fraction form
    77,700.14/116,550.21 = 51,398.73/x
  3. Step 3: Cross multiply
    77,700.14x = 116,550.21 × 51,398.73
  4. Step 4: Simplify right side
    77,700.14x = 5,990,533,066.61
  5. Step 5: Solve for x
    x = 5,990,533,066.61/77,700.14
  6. Step 6: Final answer
    x = 77,098.10

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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.