Home / 90,338.14-124,670.62-50,051.89

Finding the Fourth Proportional to 90,338.14, 124,670.62 and 50,051.89

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Solution

The fourth proportional to 90,338.14, 124,670.62 and 50,051.89 is: 69,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,338.14 : 124,670.62 = 50,051.89 : x
  2. Step 2: Convert to fraction form
    90,338.14/124,670.62 = 50,051.89/x
  3. Step 3: Cross multiply
    90,338.14x = 124,670.62 × 50,051.89
  4. Step 4: Simplify right side
    90,338.14x = 6,239,999,710.15
  5. Step 5: Solve for x
    x = 6,239,999,710.15/90,338.14
  6. Step 6: Final answer
    x = 69,073.82

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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.