Home / 75,612.24-104,170.20-54,354.72

Finding the Fourth Proportional to 75,612.24, 104,170.20 and 54,354.72

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Solution

The fourth proportional to 75,612.24, 104,170.20 and 54,354.72 is: 74,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,612.24 : 104,170.20 = 54,354.72 : x
  2. Step 2: Convert to fraction form
    75,612.24/104,170.20 = 54,354.72/x
  3. Step 3: Cross multiply
    75,612.24x = 104,170.20 × 54,354.72
  4. Step 4: Simplify right side
    75,612.24x = 5,662,142,053.34
  5. Step 5: Solve for x
    x = 5,662,142,053.34/75,612.24
  6. Step 6: Final answer
    x = 74,883.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.