Home / 112,900.77-169,323.75-38,001.42

Finding the Fourth Proportional to 112,900.77, 169,323.75 and 38,001.42

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Solution

The fourth proportional to 112,900.77, 169,323.75 and 38,001.42 is: 56,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,900.77 : 169,323.75 = 38,001.42 : x
  2. Step 2: Convert to fraction form
    112,900.77/169,323.75 = 38,001.42/x
  3. Step 3: Cross multiply
    112,900.77x = 169,323.75 × 38,001.42
  4. Step 4: Simplify right side
    112,900.77x = 6,434,542,939.73
  5. Step 5: Solve for x
    x = 6,434,542,939.73/112,900.77
  6. Step 6: Final answer
    x = 56,992.91

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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.