Home / 77,784.14-116,704.91-62,928.95

Finding the Fourth Proportional to 77,784.14, 116,704.91 and 62,928.95

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Solution

The fourth proportional to 77,784.14, 116,704.91 and 62,928.95 is: 94,416.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,784.14 : 116,704.91 = 62,928.95 : x
  2. Step 2: Convert to fraction form
    77,784.14/116,704.91 = 62,928.95/x
  3. Step 3: Cross multiply
    77,784.14x = 116,704.91 × 62,928.95
  4. Step 4: Simplify right side
    77,784.14x = 7,344,117,019.94
  5. Step 5: Solve for x
    x = 7,344,117,019.94/77,784.14
  6. Step 6: Final answer
    x = 94,416.64

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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.