Home / 77,568.61-116,346.42-30,808.93

Finding the Fourth Proportional to 77,568.61, 116,346.42 and 30,808.93

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Solution

The fourth proportional to 77,568.61, 116,346.42 and 30,808.93 is: 46,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,568.61 : 116,346.42 = 30,808.93 : x
  2. Step 2: Convert to fraction form
    77,568.61/116,346.42 = 30,808.93/x
  3. Step 3: Cross multiply
    77,568.61x = 116,346.42 × 30,808.93
  4. Step 4: Simplify right side
    77,568.61x = 3,584,508,555.49
  5. Step 5: Solve for x
    x = 3,584,508,555.49/77,568.61
  6. Step 6: Final answer
    x = 46,210.81

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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.