Home / 64,608.14-89,137.18-40,392.52

Finding the Fourth Proportional to 64,608.14, 89,137.18 and 40,392.52

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Solution

The fourth proportional to 64,608.14, 89,137.18 and 40,392.52 is: 55,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,608.14 : 89,137.18 = 40,392.52 : x
  2. Step 2: Convert to fraction form
    64,608.14/89,137.18 = 40,392.52/x
  3. Step 3: Cross multiply
    64,608.14x = 89,137.18 × 40,392.52
  4. Step 4: Simplify right side
    64,608.14x = 3,600,475,325.89
  5. Step 5: Solve for x
    x = 3,600,475,325.89/64,608.14
  6. Step 6: Final answer
    x = 55,727.89

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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.