Home / 65,451.24-90,325.26-37,159.56

Finding the Fourth Proportional to 65,451.24, 90,325.26 and 37,159.56

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Solution

The fourth proportional to 65,451.24, 90,325.26 and 37,159.56 is: 51,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,451.24 : 90,325.26 = 37,159.56 : x
  2. Step 2: Convert to fraction form
    65,451.24/90,325.26 = 37,159.56/x
  3. Step 3: Cross multiply
    65,451.24x = 90,325.26 × 37,159.56
  4. Step 4: Simplify right side
    65,451.24x = 3,356,446,918.49
  5. Step 5: Solve for x
    x = 3,356,446,918.49/65,451.24
  6. Step 6: Final answer
    x = 51,281.64

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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.