Home / 112,360.97-168,498.09-45,777.76

Finding the Fourth Proportional to 112,360.97, 168,498.09 and 45,777.76

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Solution

The fourth proportional to 112,360.97, 168,498.09 and 45,777.76 is: 68,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,360.97 : 168,498.09 = 45,777.76 : x
  2. Step 2: Convert to fraction form
    112,360.97/168,498.09 = 45,777.76/x
  3. Step 3: Cross multiply
    112,360.97x = 168,498.09 × 45,777.76
  4. Step 4: Simplify right side
    112,360.97x = 7,713,464,703.23
  5. Step 5: Solve for x
    x = 7,713,464,703.23/112,360.97
  6. Step 6: Final answer
    x = 68,648.97

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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.