Home / 68,455.27-102,638.96-28,501.93

Finding the Fourth Proportional to 68,455.27, 102,638.96 and 28,501.93

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Solution

The fourth proportional to 68,455.27, 102,638.96 and 28,501.93 is: 42,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,455.27 : 102,638.96 = 28,501.93 : x
  2. Step 2: Convert to fraction form
    68,455.27/102,638.96 = 28,501.93/x
  3. Step 3: Cross multiply
    68,455.27x = 102,638.96 × 28,501.93
  4. Step 4: Simplify right side
    68,455.27x = 2,925,408,453.19
  5. Step 5: Solve for x
    x = 2,925,408,453.19/68,455.27
  6. Step 6: Final answer
    x = 42,734.60

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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.