Home / 79,424.07-109,532.09-53,968.61

Finding the Fourth Proportional to 79,424.07, 109,532.09 and 53,968.61

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Solution

The fourth proportional to 79,424.07, 109,532.09 and 53,968.61 is: 74,426.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,424.07 : 109,532.09 = 53,968.61 : x
  2. Step 2: Convert to fraction form
    79,424.07/109,532.09 = 53,968.61/x
  3. Step 3: Cross multiply
    79,424.07x = 109,532.09 × 53,968.61
  4. Step 4: Simplify right side
    79,424.07x = 5,911,293,830.19
  5. Step 5: Solve for x
    x = 5,911,293,830.19/79,424.07
  6. Step 6: Final answer
    x = 74,426.98

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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.