Home / 90,368.03-124,707.87-50,087.84

Finding the Fourth Proportional to 90,368.03, 124,707.87 and 50,087.84

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Solution

The fourth proportional to 90,368.03, 124,707.87 and 50,087.84 is: 69,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,368.03 : 124,707.87 = 50,087.84 : x
  2. Step 2: Convert to fraction form
    90,368.03/124,707.87 = 50,087.84/x
  3. Step 3: Cross multiply
    90,368.03x = 124,707.87 × 50,087.84
  4. Step 4: Simplify right side
    90,368.03x = 6,246,347,839.30
  5. Step 5: Solve for x
    x = 6,246,347,839.30/90,368.03
  6. Step 6: Final answer
    x = 69,121.22

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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.