Home / 64,700.08-89,288.11-35,233.78

Finding the Fourth Proportional to 64,700.08, 89,288.11 and 35,233.78

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Solution

The fourth proportional to 64,700.08, 89,288.11 and 35,233.78 is: 48,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,700.08 : 89,288.11 = 35,233.78 : x
  2. Step 2: Convert to fraction form
    64,700.08/89,288.11 = 35,233.78/x
  3. Step 3: Cross multiply
    64,700.08x = 89,288.11 × 35,233.78
  4. Step 4: Simplify right side
    64,700.08x = 3,145,957,224.97
  5. Step 5: Solve for x
    x = 3,145,957,224.97/64,700.08
  6. Step 6: Final answer
    x = 48,623.70

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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.