Home / 68,184.47-102,290.57-28,741.52

Finding the Fourth Proportional to 68,184.47, 102,290.57 and 28,741.52

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Solution

The fourth proportional to 68,184.47, 102,290.57 and 28,741.52 is: 43,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,184.47 : 102,290.57 = 28,741.52 : x
  2. Step 2: Convert to fraction form
    68,184.47/102,290.57 = 28,741.52/x
  3. Step 3: Cross multiply
    68,184.47x = 102,290.57 × 28,741.52
  4. Step 4: Simplify right side
    68,184.47x = 2,939,985,808.31
  5. Step 5: Solve for x
    x = 2,939,985,808.31/68,184.47
  6. Step 6: Final answer
    x = 43,118.12

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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.