Home / 43,542.69-65,143.93-38,235.57

Finding the Fourth Proportional to 43,542.69, 65,143.93 and 38,235.57

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Solution

The fourth proportional to 43,542.69, 65,143.93 and 38,235.57 is: 57,203.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,542.69 : 65,143.93 = 38,235.57 : x
  2. Step 2: Convert to fraction form
    43,542.69/65,143.93 = 38,235.57/x
  3. Step 3: Cross multiply
    43,542.69x = 65,143.93 × 38,235.57
  4. Step 4: Simplify right side
    43,542.69x = 2,490,815,295.59
  5. Step 5: Solve for x
    x = 2,490,815,295.59/43,542.69
  6. Step 6: Final answer
    x = 57,203.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.