Home / 94,879.10-142,274.90-28,301.96

Finding the Fourth Proportional to 94,879.10, 142,274.90 and 28,301.96

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Solution

The fourth proportional to 94,879.10, 142,274.90 and 28,301.96 is: 42,439.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,879.10 : 142,274.90 = 28,301.96 : x
  2. Step 2: Convert to fraction form
    94,879.10/142,274.90 = 28,301.96/x
  3. Step 3: Cross multiply
    94,879.10x = 142,274.90 × 28,301.96
  4. Step 4: Simplify right side
    94,879.10x = 4,026,658,528.80
  5. Step 5: Solve for x
    x = 4,026,658,528.80/94,879.10
  6. Step 6: Final answer
    x = 42,439.89

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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.