Home / 64,123.40-96,168.62-30,356.12

Finding the Fourth Proportional to 64,123.40, 96,168.62 and 30,356.12

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Solution

The fourth proportional to 64,123.40, 96,168.62 and 30,356.12 is: 45,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,123.40 : 96,168.62 = 30,356.12 : x
  2. Step 2: Convert to fraction form
    64,123.40/96,168.62 = 30,356.12/x
  3. Step 3: Cross multiply
    64,123.40x = 96,168.62 × 30,356.12
  4. Step 4: Simplify right side
    64,123.40x = 2,919,305,773.56
  5. Step 5: Solve for x
    x = 2,919,305,773.56/64,123.40
  6. Step 6: Final answer
    x = 45,526.37

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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.