Home / 64,828.62-89,439.39-43,574.22

Finding the Fourth Proportional to 64,828.62, 89,439.39 and 43,574.22

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Solution

The fourth proportional to 64,828.62, 89,439.39 and 43,574.22 is: 60,116.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,828.62 : 89,439.39 = 43,574.22 : x
  2. Step 2: Convert to fraction form
    64,828.62/89,439.39 = 43,574.22/x
  3. Step 3: Cross multiply
    64,828.62x = 89,439.39 × 43,574.22
  4. Step 4: Simplify right side
    64,828.62x = 3,897,251,656.53
  5. Step 5: Solve for x
    x = 3,897,251,656.53/64,828.62
  6. Step 6: Final answer
    x = 60,116.22

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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.