Home / 89,934.86-124,114.13-51,706.81

Finding the Fourth Proportional to 89,934.86, 124,114.13 and 51,706.81

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Solution

The fourth proportional to 89,934.86, 124,114.13 and 51,706.81 is: 71,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,934.86 : 124,114.13 = 51,706.81 : x
  2. Step 2: Convert to fraction form
    89,934.86/124,114.13 = 51,706.81/x
  3. Step 3: Cross multiply
    89,934.86x = 124,114.13 × 51,706.81
  4. Step 4: Simplify right side
    89,934.86x = 6,417,545,738.23
  5. Step 5: Solve for x
    x = 6,417,545,738.23/89,934.86
  6. Step 6: Final answer
    x = 71,357.71

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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.