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Finding the Fourth Proportional to 92,707.96, 139,054.94 and 29,525.53

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Solution

The fourth proportional to 92,707.96, 139,054.94 and 29,525.53 is: 44,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,707.96 : 139,054.94 = 29,525.53 : x
  2. Step 2: Convert to fraction form
    92,707.96/139,054.94 = 29,525.53/x
  3. Step 3: Cross multiply
    92,707.96x = 139,054.94 × 29,525.53
  4. Step 4: Simplify right side
    92,707.96x = 4,105,670,802.62
  5. Step 5: Solve for x
    x = 4,105,670,802.62/92,707.96
  6. Step 6: Final answer
    x = 44,286.07

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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.