Home / 77,471.27-116,097.78-61,605.89

Finding the Fourth Proportional to 77,471.27, 116,097.78 and 61,605.89

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Solution

The fourth proportional to 77,471.27, 116,097.78 and 61,605.89 is: 92,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,471.27 : 116,097.78 = 61,605.89 : x
  2. Step 2: Convert to fraction form
    77,471.27/116,097.78 = 61,605.89/x
  3. Step 3: Cross multiply
    77,471.27x = 116,097.78 × 61,605.89
  4. Step 4: Simplify right side
    77,471.27x = 7,152,306,483.44
  5. Step 5: Solve for x
    x = 7,152,306,483.44/77,471.27
  6. Step 6: Final answer
    x = 92,322.06

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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.