Home / 91,760.20-137,418.06-46,662.91

Finding the Fourth Proportional to 91,760.20, 137,418.06 and 46,662.91

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Solution

The fourth proportional to 91,760.20, 137,418.06 and 46,662.91 is: 69,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,760.20 : 137,418.06 = 46,662.91 : x
  2. Step 2: Convert to fraction form
    91,760.20/137,418.06 = 46,662.91/x
  3. Step 3: Cross multiply
    91,760.20x = 137,418.06 × 46,662.91
  4. Step 4: Simplify right side
    91,760.20x = 6,412,326,566.15
  5. Step 5: Solve for x
    x = 6,412,326,566.15/91,760.20
  6. Step 6: Final answer
    x = 69,881.35

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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.