Home / 136,857.04-205,263.22-48,089.81

Finding the Fourth Proportional to 136,857.04, 205,263.22 and 48,089.81

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Solution

The fourth proportional to 136,857.04, 205,263.22 and 48,089.81 is: 72,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,857.04 : 205,263.22 = 48,089.81 : x
  2. Step 2: Convert to fraction form
    136,857.04/205,263.22 = 48,089.81/x
  3. Step 3: Cross multiply
    136,857.04x = 205,263.22 × 48,089.81
  4. Step 4: Simplify right side
    136,857.04x = 9,871,069,249.79
  5. Step 5: Solve for x
    x = 9,871,069,249.79/136,857.04
  6. Step 6: Final answer
    x = 72,126.87

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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.