Home / 64,693.20-89,317.62-44,309.46

Finding the Fourth Proportional to 64,693.20, 89,317.62 and 44,309.46

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Solution

The fourth proportional to 64,693.20, 89,317.62 and 44,309.46 is: 61,175.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,693.20 : 89,317.62 = 44,309.46 : x
  2. Step 2: Convert to fraction form
    64,693.20/89,317.62 = 44,309.46/x
  3. Step 3: Cross multiply
    64,693.20x = 89,317.62 × 44,309.46
  4. Step 4: Simplify right side
    64,693.20x = 3,957,615,510.69
  5. Step 5: Solve for x
    x = 3,957,615,510.69/64,693.20
  6. Step 6: Final answer
    x = 61,175.14

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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.