Home / 68,026.10-102,002.70-28,538.60

Finding the Fourth Proportional to 68,026.10, 102,002.70 and 28,538.60

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Solution

The fourth proportional to 68,026.10, 102,002.70 and 28,538.60 is: 42,792.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,026.10 : 102,002.70 = 28,538.60 : x
  2. Step 2: Convert to fraction form
    68,026.10/102,002.70 = 28,538.60/x
  3. Step 3: Cross multiply
    68,026.10x = 102,002.70 × 28,538.60
  4. Step 4: Simplify right side
    68,026.10x = 2,911,014,254.22
  5. Step 5: Solve for x
    x = 2,911,014,254.22/68,026.10
  6. Step 6: Final answer
    x = 42,792.61

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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.