Home / 112,616.48-155,395.40-67,284.86

Finding the Fourth Proportional to 112,616.48, 155,395.40 and 67,284.86

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Solution

The fourth proportional to 112,616.48, 155,395.40 and 67,284.86 is: 92,843.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,616.48 : 155,395.40 = 67,284.86 : x
  2. Step 2: Convert to fraction form
    112,616.48/155,395.40 = 67,284.86/x
  3. Step 3: Cross multiply
    112,616.48x = 155,395.40 × 67,284.86
  4. Step 4: Simplify right side
    112,616.48x = 10,455,757,494.34
  5. Step 5: Solve for x
    x = 10,455,757,494.34/112,616.48
  6. Step 6: Final answer
    x = 92,843.94

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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.