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Finding the Fourth Proportional to 67,413.70, 101,112.45 and 27,966.70

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Solution

The fourth proportional to 67,413.70, 101,112.45 and 27,966.70 is: 41,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,413.70 : 101,112.45 = 27,966.70 : x
  2. Step 2: Convert to fraction form
    67,413.70/101,112.45 = 27,966.70/x
  3. Step 3: Cross multiply
    67,413.70x = 101,112.45 × 27,966.70
  4. Step 4: Simplify right side
    67,413.70x = 2,827,781,555.42
  5. Step 5: Solve for x
    x = 2,827,781,555.42/67,413.70
  6. Step 6: Final answer
    x = 41,946.69

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1.5x scale

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.