Home / 90,717.40-136,076.10-46,329.40

Finding the Fourth Proportional to 90,717.40, 136,076.10 and 46,329.40

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Solution

The fourth proportional to 90,717.40, 136,076.10 and 46,329.40 is: 69,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,717.40 : 136,076.10 = 46,329.40 : x
  2. Step 2: Convert to fraction form
    90,717.40/136,076.10 = 46,329.40/x
  3. Step 3: Cross multiply
    90,717.40x = 136,076.10 × 46,329.40
  4. Step 4: Simplify right side
    90,717.40x = 6,304,324,067.34
  5. Step 5: Solve for x
    x = 6,304,324,067.34/90,717.40
  6. Step 6: Final answer
    x = 69,494.10

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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.