Home / 112,332.12-155,029.49-67,010.09

Finding the Fourth Proportional to 112,332.12, 155,029.49 and 67,010.09

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Solution

The fourth proportional to 112,332.12, 155,029.49 and 67,010.09 is: 92,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,332.12 : 155,029.49 = 67,010.09 : x
  2. Step 2: Convert to fraction form
    112,332.12/155,029.49 = 67,010.09/x
  3. Step 3: Cross multiply
    112,332.12x = 155,029.49 × 67,010.09
  4. Step 4: Simplify right side
    112,332.12x = 10,388,539,595.58
  5. Step 5: Solve for x
    x = 10,388,539,595.58/112,332.12
  6. Step 6: Final answer
    x = 92,480.58

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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.