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Finding the Fourth Proportional to 64,557, 89,088.24 and 36,262.08

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Solution

The fourth proportional to 64,557, 89,088.24 and 36,262.08 is: 50,041.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,557 : 89,088.24 = 36,262.08 : x
  2. Step 2: Convert to fraction form
    64,557/89,088.24 = 36,262.08/x
  3. Step 3: Cross multiply
    64,557x = 89,088.24 × 36,262.08
  4. Step 4: Simplify right side
    64,557x = 3,230,524,885.94
  5. Step 5: Solve for x
    x = 3,230,524,885.94/64,557
  6. Step 6: Final answer
    x = 50,041.43

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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.