Home / 57,119.47-78,833.57-35,612.70

Finding the Fourth Proportional to 57,119.47, 78,833.57 and 35,612.70

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Solution

The fourth proportional to 57,119.47, 78,833.57 and 35,612.70 is: 49,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,119.47 : 78,833.57 = 35,612.70 : x
  2. Step 2: Convert to fraction form
    57,119.47/78,833.57 = 35,612.70/x
  3. Step 3: Cross multiply
    57,119.47x = 78,833.57 × 35,612.70
  4. Step 4: Simplify right side
    57,119.47x = 2,807,476,448.41
  5. Step 5: Solve for x
    x = 2,807,476,448.41/57,119.47
  6. Step 6: Final answer
    x = 49,150.96

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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.