Home / 79,009.28-118,412.88-34,624.16

Finding the Fourth Proportional to 79,009.28, 118,412.88 and 34,624.16

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Solution

The fourth proportional to 79,009.28, 118,412.88 and 34,624.16 is: 51,891.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,009.28 : 118,412.88 = 34,624.16 : x
  2. Step 2: Convert to fraction form
    79,009.28/118,412.88 = 34,624.16/x
  3. Step 3: Cross multiply
    79,009.28x = 118,412.88 × 34,624.16
  4. Step 4: Simplify right side
    79,009.28x = 4,099,946,503.18
  5. Step 5: Solve for x
    x = 4,099,946,503.18/79,009.28
  6. Step 6: Final answer
    x = 51,891.96

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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.