Home / 57,535.88-79,424.07-38,683.94

Finding the Fourth Proportional to 57,535.88, 79,424.07 and 38,683.94

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Solution

The fourth proportional to 57,535.88, 79,424.07 and 38,683.94 is: 53,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,535.88 : 79,424.07 = 38,683.94 : x
  2. Step 2: Convert to fraction form
    57,535.88/79,424.07 = 38,683.94/x
  3. Step 3: Cross multiply
    57,535.88x = 79,424.07 × 38,683.94
  4. Step 4: Simplify right side
    57,535.88x = 3,072,436,157.00
  5. Step 5: Solve for x
    x = 3,072,436,157.00/57,535.88
  6. Step 6: Final answer
    x = 53,400.35

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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.