Home / 84,158.74-115,998.15-73,923.58

Finding the Fourth Proportional to 84,158.74, 115,998.15 and 73,923.58

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Solution

The fourth proportional to 84,158.74, 115,998.15 and 73,923.58 is: 101,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,158.74 : 115,998.15 = 73,923.58 : x
  2. Step 2: Convert to fraction form
    84,158.74/115,998.15 = 73,923.58/x
  3. Step 3: Cross multiply
    84,158.74x = 115,998.15 × 73,923.58
  4. Step 4: Simplify right side
    84,158.74x = 8,574,998,521.38
  5. Step 5: Solve for x
    x = 8,574,998,521.38/84,158.74
  6. Step 6: Final answer
    x = 101,890.77

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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.