Home / 83,438.80-124,996.92-46,390.48

Finding the Fourth Proportional to 83,438.80, 124,996.92 and 46,390.48

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Solution

The fourth proportional to 83,438.80, 124,996.92 and 46,390.48 is: 69,496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,438.80 : 124,996.92 = 46,390.48 : x
  2. Step 2: Convert to fraction form
    83,438.80/124,996.92 = 46,390.48/x
  3. Step 3: Cross multiply
    83,438.80x = 124,996.92 × 46,390.48
  4. Step 4: Simplify right side
    83,438.80x = 5,798,667,117.32
  5. Step 5: Solve for x
    x = 5,798,667,117.32/83,438.80
  6. Step 6: Final answer
    x = 69,496.05

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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.