Home / 68,548.86-102,705.66-61,615.46

Finding the Fourth Proportional to 68,548.86, 102,705.66 and 61,615.46

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Solution

The fourth proportional to 68,548.86, 102,705.66 and 61,615.46 is: 92,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,548.86 : 102,705.66 = 61,615.46 : x
  2. Step 2: Convert to fraction form
    68,548.86/102,705.66 = 61,615.46/x
  3. Step 3: Cross multiply
    68,548.86x = 102,705.66 × 61,615.46
  4. Step 4: Simplify right side
    68,548.86x = 6,328,255,971.98
  5. Step 5: Solve for x
    x = 6,328,255,971.98/68,548.86
  6. Step 6: Final answer
    x = 92,317.45

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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.