Home / 112,648.46-155,444.34-67,317.44

Finding the Fourth Proportional to 112,648.46, 155,444.34 and 67,317.44

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Solution

The fourth proportional to 112,648.46, 155,444.34 and 67,317.44 is: 92,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,648.46 : 155,444.34 = 67,317.44 : x
  2. Step 2: Convert to fraction form
    112,648.46/155,444.34 = 67,317.44/x
  3. Step 3: Cross multiply
    112,648.46x = 155,444.34 × 67,317.44
  4. Step 4: Simplify right side
    112,648.46x = 10,464,115,031.29
  5. Step 5: Solve for x
    x = 10,464,115,031.29/112,648.46
  6. Step 6: Final answer
    x = 92,891.77

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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.