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Finding the Fourth Proportional to 77,477.58, 116,210.70 and 44,092.89

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Solution

The fourth proportional to 77,477.58, 116,210.70 and 44,092.89 is: 66,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,477.58 : 116,210.70 = 44,092.89 : x
  2. Step 2: Convert to fraction form
    77,477.58/116,210.70 = 44,092.89/x
  3. Step 3: Cross multiply
    77,477.58x = 116,210.70 × 44,092.89
  4. Step 4: Simplify right side
    77,477.58x = 5,124,065,611.92
  5. Step 5: Solve for x
    x = 5,124,065,611.92/77,477.58
  6. Step 6: Final answer
    x = 66,136.11

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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.