Home / 94,734.20-142,028.40-53,181.20

Finding the Fourth Proportional to 94,734.20, 142,028.40 and 53,181.20

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Solution

The fourth proportional to 94,734.20, 142,028.40 and 53,181.20 is: 79,730.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,734.20 : 142,028.40 = 53,181.20 : x
  2. Step 2: Convert to fraction form
    94,734.20/142,028.40 = 53,181.20/x
  3. Step 3: Cross multiply
    94,734.20x = 142,028.40 × 53,181.20
  4. Step 4: Simplify right side
    94,734.20x = 7,553,240,746.08
  5. Step 5: Solve for x
    x = 7,553,240,746.08/94,734.20
  6. Step 6: Final answer
    x = 79,730.88

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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.