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Finding the Fourth Proportional to 64,065.11, 96,098.01 and 42,018.11

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Solution

The fourth proportional to 64,065.11, 96,098.01 and 42,018.11 is: 63,027.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,065.11 : 96,098.01 = 42,018.11 : x
  2. Step 2: Convert to fraction form
    64,065.11/96,098.01 = 42,018.11/x
  3. Step 3: Cross multiply
    64,065.11x = 96,098.01 × 42,018.11
  4. Step 4: Simplify right side
    64,065.11x = 4,037,856,274.47
  5. Step 5: Solve for x
    x = 4,037,856,274.47/64,065.11
  6. Step 6: Final answer
    x = 63,027.39

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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.