Home / 78,942.24-108,937.08-43,133.52

Finding the Fourth Proportional to 78,942.24, 108,937.08 and 43,133.52

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Solution

The fourth proportional to 78,942.24, 108,937.08 and 43,133.52 is: 59,522.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,942.24 : 108,937.08 = 43,133.52 : x
  2. Step 2: Convert to fraction form
    78,942.24/108,937.08 = 43,133.52/x
  3. Step 3: Cross multiply
    78,942.24x = 108,937.08 × 43,133.52
  4. Step 4: Simplify right side
    78,942.24x = 4,698,839,718.92
  5. Step 5: Solve for x
    x = 4,698,839,718.92/78,942.24
  6. Step 6: Final answer
    x = 59,522.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.