Home / 68,415.02-102,625.41-21,666.86

Finding the Fourth Proportional to 68,415.02, 102,625.41 and 21,666.86

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Solution

The fourth proportional to 68,415.02, 102,625.41 and 21,666.86 is: 32,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,415.02 : 102,625.41 = 21,666.86 : x
  2. Step 2: Convert to fraction form
    68,415.02/102,625.41 = 21,666.86/x
  3. Step 3: Cross multiply
    68,415.02x = 102,625.41 × 21,666.86
  4. Step 4: Simplify right side
    68,415.02x = 2,223,570,390.91
  5. Step 5: Solve for x
    x = 2,223,570,390.91/68,415.02
  6. Step 6: Final answer
    x = 32,501.20

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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.