Home / 124,722.18-187,157.08-45,891.77

Finding the Fourth Proportional to 124,722.18, 187,157.08 and 45,891.77

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Solution

The fourth proportional to 124,722.18, 187,157.08 and 45,891.77 is: 68,864.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,722.18 : 187,157.08 = 45,891.77 : x
  2. Step 2: Convert to fraction form
    124,722.18/187,157.08 = 45,891.77/x
  3. Step 3: Cross multiply
    124,722.18x = 187,157.08 × 45,891.77
  4. Step 4: Simplify right side
    124,722.18x = 8,588,968,790.81
  5. Step 5: Solve for x
    x = 8,588,968,790.81/124,722.18
  6. Step 6: Final answer
    x = 68,864.81

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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.