Home / 136,855.04-205,260.23-48,087.81

Finding the Fourth Proportional to 136,855.04, 205,260.23 and 48,087.81

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Solution

The fourth proportional to 136,855.04, 205,260.23 and 48,087.81 is: 72,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,855.04 : 205,260.23 = 48,087.81 : x
  2. Step 2: Convert to fraction form
    136,855.04/205,260.23 = 48,087.81/x
  3. Step 3: Cross multiply
    136,855.04x = 205,260.23 × 48,087.81
  4. Step 4: Simplify right side
    136,855.04x = 9,870,514,700.36
  5. Step 5: Solve for x
    x = 9,870,514,700.36/136,855.04
  6. Step 6: Final answer
    x = 72,123.87

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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.