Home / 64,903.28-89,561.09-36,220.37

Finding the Fourth Proportional to 64,903.28, 89,561.09 and 36,220.37

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Solution

The fourth proportional to 64,903.28, 89,561.09 and 36,220.37 is: 49,981.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,903.28 : 89,561.09 = 36,220.37 : x
  2. Step 2: Convert to fraction form
    64,903.28/89,561.09 = 36,220.37/x
  3. Step 3: Cross multiply
    64,903.28x = 89,561.09 × 36,220.37
  4. Step 4: Simplify right side
    64,903.28x = 3,243,935,460.15
  5. Step 5: Solve for x
    x = 3,243,935,460.15/64,903.28
  6. Step 6: Final answer
    x = 49,981.08

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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.