Home / 124,913.94-172,332.82-79,583.81

Finding the Fourth Proportional to 124,913.94, 172,332.82 and 79,583.81

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Solution

The fourth proportional to 124,913.94, 172,332.82 and 79,583.81 is: 109,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,913.94 : 172,332.82 = 79,583.81 : x
  2. Step 2: Convert to fraction form
    124,913.94/172,332.82 = 79,583.81/x
  3. Step 3: Cross multiply
    124,913.94x = 172,332.82 × 79,583.81
  4. Step 4: Simplify right side
    124,913.94x = 13,714,901,343.02
  5. Step 5: Solve for x
    x = 13,714,901,343.02/124,913.94
  6. Step 6: Final answer
    x = 109,794.80

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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.