Home / 64,728.72-97,116.45-22,615.02

Finding the Fourth Proportional to 64,728.72, 97,116.45 and 22,615.02

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Solution

The fourth proportional to 64,728.72, 97,116.45 and 22,615.02 is: 33,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,728.72 : 97,116.45 = 22,615.02 : x
  2. Step 2: Convert to fraction form
    64,728.72/97,116.45 = 22,615.02/x
  3. Step 3: Cross multiply
    64,728.72x = 97,116.45 × 22,615.02
  4. Step 4: Simplify right side
    64,728.72x = 2,196,290,459.08
  5. Step 5: Solve for x
    x = 2,196,290,459.08/64,728.72
  6. Step 6: Final answer
    x = 33,930.70

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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.