Home / 112,797.48-169,198.14-42,709.80

Finding the Fourth Proportional to 112,797.48, 169,198.14 and 42,709.80

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Solution

The fourth proportional to 112,797.48, 169,198.14 and 42,709.80 is: 64,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,797.48 : 169,198.14 = 42,709.80 : x
  2. Step 2: Convert to fraction form
    112,797.48/169,198.14 = 42,709.80/x
  3. Step 3: Cross multiply
    112,797.48x = 169,198.14 × 42,709.80
  4. Step 4: Simplify right side
    112,797.48x = 7,226,418,719.77
  5. Step 5: Solve for x
    x = 7,226,418,719.77/112,797.48
  6. Step 6: Final answer
    x = 64,065.43

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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.