Home / 79,331.63-118,984.68-23,158.53

Finding the Fourth Proportional to 79,331.63, 118,984.68 and 23,158.53

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Solution

The fourth proportional to 79,331.63, 118,984.68 and 23,158.53 is: 34,734.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,331.63 : 118,984.68 = 23,158.53 : x
  2. Step 2: Convert to fraction form
    79,331.63/118,984.68 = 23,158.53/x
  3. Step 3: Cross multiply
    79,331.63x = 118,984.68 × 23,158.53
  4. Step 4: Simplify right side
    79,331.63x = 2,755,510,281.32
  5. Step 5: Solve for x
    x = 2,755,510,281.32/79,331.63
  6. Step 6: Final answer
    x = 34,734.07

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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.