Home / 64,002.10-96,003.15-40,645.30

Finding the Fourth Proportional to 64,002.10, 96,003.15 and 40,645.30

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Solution

The fourth proportional to 64,002.10, 96,003.15 and 40,645.30 is: 60,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,002.10 : 96,003.15 = 40,645.30 : x
  2. Step 2: Convert to fraction form
    64,002.10/96,003.15 = 40,645.30/x
  3. Step 3: Cross multiply
    64,002.10x = 96,003.15 × 40,645.30
  4. Step 4: Simplify right side
    64,002.10x = 3,902,076,832.70
  5. Step 5: Solve for x
    x = 3,902,076,832.70/64,002.10
  6. Step 6: Final answer
    x = 60,967.95

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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.