Home / 79,257.04-109,479.51-59,078.86

Finding the Fourth Proportional to 79,257.04, 109,479.51 and 59,078.86

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Solution

The fourth proportional to 79,257.04, 109,479.51 and 59,078.86 is: 81,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,257.04 : 109,479.51 = 59,078.86 : x
  2. Step 2: Convert to fraction form
    79,257.04/109,479.51 = 59,078.86/x
  3. Step 3: Cross multiply
    79,257.04x = 109,479.51 × 59,078.86
  4. Step 4: Simplify right side
    79,257.04x = 6,467,924,370.46
  5. Step 5: Solve for x
    x = 6,467,924,370.46/79,257.04
  6. Step 6: Final answer
    x = 81,606.94

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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.