Home / 112,794.32-155,641.33-67,455.74

Finding the Fourth Proportional to 112,794.32, 155,641.33 and 67,455.74

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Solution

The fourth proportional to 112,794.32, 155,641.33 and 67,455.74 is: 93,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,794.32 : 155,641.33 = 67,455.74 : x
  2. Step 2: Convert to fraction form
    112,794.32/155,641.33 = 67,455.74/x
  3. Step 3: Cross multiply
    112,794.32x = 155,641.33 × 67,455.74
  4. Step 4: Simplify right side
    112,794.32x = 10,498,899,974.25
  5. Step 5: Solve for x
    x = 10,498,899,974.25/112,794.32
  6. Step 6: Final answer
    x = 93,080.05

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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.