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Finding the Fourth Proportional to 78,754, 118,150.44 and 23,350

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Solution

The fourth proportional to 78,754, 118,150.44 and 23,350 is: 35,030.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,754 : 118,150.44 = 23,350 : x
  2. Step 2: Convert to fraction form
    78,754/118,150.44 = 23,350/x
  3. Step 3: Cross multiply
    78,754x = 118,150.44 × 23,350
  4. Step 4: Simplify right side
    78,754x = 2,758,812,774
  5. Step 5: Solve for x
    x = 2,758,812,774/78,754
  6. Step 6: Final answer
    x = 35,030.76

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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.