Home / 57,006.32-78,683.78-32,810.26

Finding the Fourth Proportional to 57,006.32, 78,683.78 and 32,810.26

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Solution

The fourth proportional to 57,006.32, 78,683.78 and 32,810.26 is: 45,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,006.32 : 78,683.78 = 32,810.26 : x
  2. Step 2: Convert to fraction form
    57,006.32/78,683.78 = 32,810.26/x
  3. Step 3: Cross multiply
    57,006.32x = 78,683.78 × 32,810.26
  4. Step 4: Simplify right side
    57,006.32x = 2,581,635,279.58
  5. Step 5: Solve for x
    x = 2,581,635,279.58/57,006.32
  6. Step 6: Final answer
    x = 45,286.83

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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.