Home / 90,121.19-124,393.26-59,516.66

Finding the Fourth Proportional to 90,121.19, 124,393.26 and 59,516.66

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Solution

The fourth proportional to 90,121.19, 124,393.26 and 59,516.66 is: 82,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,121.19 : 124,393.26 = 59,516.66 : x
  2. Step 2: Convert to fraction form
    90,121.19/124,393.26 = 59,516.66/x
  3. Step 3: Cross multiply
    90,121.19x = 124,393.26 × 59,516.66
  4. Step 4: Simplify right side
    90,121.19x = 7,403,470,739.75
  5. Step 5: Solve for x
    x = 7,403,470,739.75/90,121.19
  6. Step 6: Final answer
    x = 82,150.17

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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.