Home / 112,000.82-154,565.97-63,601.77

Finding the Fourth Proportional to 112,000.82, 154,565.97 and 63,601.77

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Solution

The fourth proportional to 112,000.82, 154,565.97 and 63,601.77 is: 87,773.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,000.82 : 154,565.97 = 63,601.77 : x
  2. Step 2: Convert to fraction form
    112,000.82/154,565.97 = 63,601.77/x
  3. Step 3: Cross multiply
    112,000.82x = 154,565.97 × 63,601.77
  4. Step 4: Simplify right side
    112,000.82x = 9,830,669,273.77
  5. Step 5: Solve for x
    x = 9,830,669,273.77/112,000.82
  6. Step 6: Final answer
    x = 87,773.19

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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.