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Finding the Fourth Proportional to 64,073.30, 88,416.09 and 37,211.40

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Solution

The fourth proportional to 64,073.30, 88,416.09 and 37,211.40 is: 51,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,073.30 : 88,416.09 = 37,211.40 : x
  2. Step 2: Convert to fraction form
    64,073.30/88,416.09 = 37,211.40/x
  3. Step 3: Cross multiply
    64,073.30x = 88,416.09 × 37,211.40
  4. Step 4: Simplify right side
    64,073.30x = 3,290,086,491.43
  5. Step 5: Solve for x
    x = 3,290,086,491.43/64,073.30
  6. Step 6: Final answer
    x = 51,348.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.