Home / 64,122.60-96,183.90-42,004.20

Finding the Fourth Proportional to 64,122.60, 96,183.90 and 42,004.20

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Solution

The fourth proportional to 64,122.60, 96,183.90 and 42,004.20 is: 63,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,122.60 : 96,183.90 = 42,004.20 : x
  2. Step 2: Convert to fraction form
    64,122.60/96,183.90 = 42,004.20/x
  3. Step 3: Cross multiply
    64,122.60x = 96,183.90 × 42,004.20
  4. Step 4: Simplify right side
    64,122.60x = 4,040,127,772.38
  5. Step 5: Solve for x
    x = 4,040,127,772.38/64,122.60
  6. Step 6: Final answer
    x = 63,006.30

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1.5x scale

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.