Home / 64,439.48-88,927.20-35,759.70

Finding the Fourth Proportional to 64,439.48, 88,927.20 and 35,759.70

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Solution

The fourth proportional to 64,439.48, 88,927.20 and 35,759.70 is: 49,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,439.48 : 88,927.20 = 35,759.70 : x
  2. Step 2: Convert to fraction form
    64,439.48/88,927.20 = 35,759.70/x
  3. Step 3: Cross multiply
    64,439.48x = 88,927.20 × 35,759.70
  4. Step 4: Simplify right side
    64,439.48x = 3,180,009,993.84
  5. Step 5: Solve for x
    x = 3,180,009,993.84/64,439.48
  6. Step 6: Final answer
    x = 49,348.78

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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.