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Finding the Fourth Proportional to 84,903.60, 127,413.69 and 29,499.60

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Solution

The fourth proportional to 84,903.60, 127,413.69 and 29,499.60 is: 44,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,903.60 : 127,413.69 = 29,499.60 : x
  2. Step 2: Convert to fraction form
    84,903.60/127,413.69 = 29,499.60/x
  3. Step 3: Cross multiply
    84,903.60x = 127,413.69 × 29,499.60
  4. Step 4: Simplify right side
    84,903.60x = 3,758,652,889.52
  5. Step 5: Solve for x
    x = 3,758,652,889.52/84,903.60
  6. Step 6: Final answer
    x = 44,269.65

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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.