Home / 79,283.54-118,964.10-34,904.72

Finding the Fourth Proportional to 79,283.54, 118,964.10 and 34,904.72

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Solution

The fourth proportional to 79,283.54, 118,964.10 and 34,904.72 is: 52,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,283.54 : 118,964.10 = 34,904.72 : x
  2. Step 2: Convert to fraction form
    79,283.54/118,964.10 = 34,904.72/x
  3. Step 3: Cross multiply
    79,283.54x = 118,964.10 × 34,904.72
  4. Step 4: Simplify right side
    79,283.54x = 4,152,408,600.55
  5. Step 5: Solve for x
    x = 4,152,408,600.55/79,283.54
  6. Step 6: Final answer
    x = 52,374.16

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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.