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Finding the Fourth Proportional to 64,215.62, 96,136.02 and 37,479.68

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Solution

The fourth proportional to 64,215.62, 96,136.02 and 37,479.68 is: 56,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,215.62 : 96,136.02 = 37,479.68 : x
  2. Step 2: Convert to fraction form
    64,215.62/96,136.02 = 37,479.68/x
  3. Step 3: Cross multiply
    64,215.62x = 96,136.02 × 37,479.68
  4. Step 4: Simplify right side
    64,215.62x = 3,603,147,266.07
  5. Step 5: Solve for x
    x = 3,603,147,266.07/64,215.62
  6. Step 6: Final answer
    x = 56,110.14

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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.