Home / 77,854.77-116,771.58-30,436.88

Finding the Fourth Proportional to 77,854.77, 116,771.58 and 30,436.88

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Solution

The fourth proportional to 77,854.77, 116,771.58 and 30,436.88 is: 45,651.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,854.77 : 116,771.58 = 30,436.88 : x
  2. Step 2: Convert to fraction form
    77,854.77/116,771.58 = 30,436.88/x
  3. Step 3: Cross multiply
    77,854.77x = 116,771.58 × 30,436.88
  4. Step 4: Simplify right side
    77,854.77x = 3,554,161,984.01
  5. Step 5: Solve for x
    x = 3,554,161,984.01/77,854.77
  6. Step 6: Final answer
    x = 45,651.18

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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.