Home / 90,531.24-124,927.28-50,245.02

Finding the Fourth Proportional to 90,531.24, 124,927.28 and 50,245.02

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Solution

The fourth proportional to 90,531.24, 124,927.28 and 50,245.02 is: 69,334.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,531.24 : 124,927.28 = 50,245.02 : x
  2. Step 2: Convert to fraction form
    90,531.24/124,927.28 = 50,245.02/x
  3. Step 3: Cross multiply
    90,531.24x = 124,927.28 × 50,245.02
  4. Step 4: Simplify right side
    90,531.24x = 6,276,973,682.15
  5. Step 5: Solve for x
    x = 6,276,973,682.15/90,531.24
  6. Step 6: Final answer
    x = 69,334.89

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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.