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Finding the Fourth Proportional to 62,495.21, 93,625.02 and 30,868.22

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Solution

The fourth proportional to 62,495.21, 93,625.02 and 30,868.22 is: 46,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,495.21 : 93,625.02 = 30,868.22 : x
  2. Step 2: Convert to fraction form
    62,495.21/93,625.02 = 30,868.22/x
  3. Step 3: Cross multiply
    62,495.21x = 93,625.02 × 30,868.22
  4. Step 4: Simplify right side
    62,495.21x = 2,890,037,714.86
  5. Step 5: Solve for x
    x = 2,890,037,714.86/62,495.21
  6. Step 6: Final answer
    x = 46,244.15

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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.