Home / 57,535.14-79,423.06-38,683.20

Finding the Fourth Proportional to 57,535.14, 79,423.06 and 38,683.20

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Solution

The fourth proportional to 57,535.14, 79,423.06 and 38,683.20 is: 53,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,535.14 : 79,423.06 = 38,683.20 : x
  2. Step 2: Convert to fraction form
    57,535.14/79,423.06 = 38,683.20/x
  3. Step 3: Cross multiply
    57,535.14x = 79,423.06 × 38,683.20
  4. Step 4: Simplify right side
    57,535.14x = 3,072,338,114.59
  5. Step 5: Solve for x
    x = 3,072,338,114.59/57,535.14
  6. Step 6: Final answer
    x = 53,399.33

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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.