Home / 64,921.12-97,125.46-49,171.52

Finding the Fourth Proportional to 64,921.12, 97,125.46 and 49,171.52

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Solution

The fourth proportional to 64,921.12, 97,125.46 and 49,171.52 is: 73,563.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,921.12 : 97,125.46 = 49,171.52 : x
  2. Step 2: Convert to fraction form
    64,921.12/97,125.46 = 49,171.52/x
  3. Step 3: Cross multiply
    64,921.12x = 97,125.46 × 49,171.52
  4. Step 4: Simplify right side
    64,921.12x = 4,775,806,618.78
  5. Step 5: Solve for x
    x = 4,775,806,618.78/64,921.12
  6. Step 6: Final answer
    x = 73,563.22

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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.