Home / 64,828.40-89,429.84-43,311.27

Finding the Fourth Proportional to 64,828.40, 89,429.84 and 43,311.27

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Solution

The fourth proportional to 64,828.40, 89,429.84 and 43,311.27 is: 59,747.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,828.40 : 89,429.84 = 43,311.27 : x
  2. Step 2: Convert to fraction form
    64,828.40/89,429.84 = 43,311.27/x
  3. Step 3: Cross multiply
    64,828.40x = 89,429.84 × 43,311.27
  4. Step 4: Simplify right side
    64,828.40x = 3,873,320,227.52
  5. Step 5: Solve for x
    x = 3,873,320,227.52/64,828.40
  6. Step 6: Final answer
    x = 59,747.28

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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.