Home / 64,154.56-96,231.80-28,606.72

Finding the Fourth Proportional to 64,154.56, 96,231.80 and 28,606.72

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Solution

The fourth proportional to 64,154.56, 96,231.80 and 28,606.72 is: 42,910.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,154.56 : 96,231.80 = 28,606.72 : x
  2. Step 2: Convert to fraction form
    64,154.56/96,231.80 = 28,606.72/x
  3. Step 3: Cross multiply
    64,154.56x = 96,231.80 × 28,606.72
  4. Step 4: Simplify right side
    64,154.56x = 2,752,876,157.70
  5. Step 5: Solve for x
    x = 2,752,876,157.70/64,154.56
  6. Step 6: Final answer
    x = 42,910.06

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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.