Home / 64,736.46-89,353.08-58,010.58

Finding the Fourth Proportional to 64,736.46, 89,353.08 and 58,010.58

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Solution

The fourth proportional to 64,736.46, 89,353.08 and 58,010.58 is: 80,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,736.46 : 89,353.08 = 58,010.58 : x
  2. Step 2: Convert to fraction form
    64,736.46/89,353.08 = 58,010.58/x
  3. Step 3: Cross multiply
    64,736.46x = 89,353.08 × 58,010.58
  4. Step 4: Simplify right side
    64,736.46x = 5,183,423,995.59
  5. Step 5: Solve for x
    x = 5,183,423,995.59/64,736.46
  6. Step 6: Final answer
    x = 80,069.62

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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.