Home / 94,949.52-142,423.02-28,390.20

Finding the Fourth Proportional to 94,949.52, 142,423.02 and 28,390.20

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Solution

The fourth proportional to 94,949.52, 142,423.02 and 28,390.20 is: 42,584.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,949.52 : 142,423.02 = 28,390.20 : x
  2. Step 2: Convert to fraction form
    94,949.52/142,423.02 = 28,390.20/x
  3. Step 3: Cross multiply
    94,949.52x = 142,423.02 × 28,390.20
  4. Step 4: Simplify right side
    94,949.52x = 4,043,418,022.40
  5. Step 5: Solve for x
    x = 4,043,418,022.40/94,949.52
  6. Step 6: Final answer
    x = 42,584.92

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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.