Home / 51,581.64-70,719.09-50,648.52

Finding the Fourth Proportional to 51,581.64, 70,719.09 and 50,648.52

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Solution

The fourth proportional to 51,581.64, 70,719.09 and 50,648.52 is: 69,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,581.64 : 70,719.09 = 50,648.52 : x
  2. Step 2: Convert to fraction form
    51,581.64/70,719.09 = 50,648.52/x
  3. Step 3: Cross multiply
    51,581.64x = 70,719.09 × 50,648.52
  4. Step 4: Simplify right side
    51,581.64x = 3,581,817,244.25
  5. Step 5: Solve for x
    x = 3,581,817,244.25/51,581.64
  6. Step 6: Final answer
    x = 69,439.77

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.