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Finding the Fourth Proportional to 64,006.10, 96,009.15 and 40,649.30

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Solution

The fourth proportional to 64,006.10, 96,009.15 and 40,649.30 is: 60,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,006.10 : 96,009.15 = 40,649.30 : x
  2. Step 2: Convert to fraction form
    64,006.10/96,009.15 = 40,649.30/x
  3. Step 3: Cross multiply
    64,006.10x = 96,009.15 × 40,649.30
  4. Step 4: Simplify right side
    64,006.10x = 3,902,704,741.10
  5. Step 5: Solve for x
    x = 3,902,704,741.10/64,006.10
  6. Step 6: Final answer
    x = 60,973.95

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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.