Home / 109,757.45-151,464.96-62,010.78

Finding the Fourth Proportional to 109,757.45, 151,464.96 and 62,010.78

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Solution

The fourth proportional to 109,757.45, 151,464.96 and 62,010.78 is: 85,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,757.45 : 151,464.96 = 62,010.78 : x
  2. Step 2: Convert to fraction form
    109,757.45/151,464.96 = 62,010.78/x
  3. Step 3: Cross multiply
    109,757.45x = 151,464.96 × 62,010.78
  4. Step 4: Simplify right side
    109,757.45x = 9,392,460,312.27
  5. Step 5: Solve for x
    x = 9,392,460,312.27/109,757.45
  6. Step 6: Final answer
    x = 85,574.70

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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.