Home / 64,956.09-97,436.88-20,581.86

Finding the Fourth Proportional to 64,956.09, 97,436.88 and 20,581.86

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Solution

The fourth proportional to 64,956.09, 97,436.88 and 20,581.86 is: 30,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,956.09 : 97,436.88 = 20,581.86 : x
  2. Step 2: Convert to fraction form
    64,956.09/97,436.88 = 20,581.86/x
  3. Step 3: Cross multiply
    64,956.09x = 97,436.88 × 20,581.86
  4. Step 4: Simplify right side
    64,956.09x = 2,005,432,223.00
  5. Step 5: Solve for x
    x = 2,005,432,223.00/64,956.09
  6. Step 6: Final answer
    x = 30,873.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.