Home / 112,043.51-168,091.19-49,718.87

Finding the Fourth Proportional to 112,043.51, 168,091.19 and 49,718.87

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Solution

The fourth proportional to 112,043.51, 168,091.19 and 49,718.87 is: 74,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,043.51 : 168,091.19 = 49,718.87 : x
  2. Step 2: Convert to fraction form
    112,043.51/168,091.19 = 49,718.87/x
  3. Step 3: Cross multiply
    112,043.51x = 168,091.19 × 49,718.87
  4. Step 4: Simplify right side
    112,043.51x = 8,357,304,023.76
  5. Step 5: Solve for x
    x = 8,357,304,023.76/112,043.51
  6. Step 6: Final answer
    x = 74,589.81

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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.