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Finding the Fourth Proportional to 71,433, 98,533.08 and 45,972.60

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Solution

The fourth proportional to 71,433, 98,533.08 and 45,972.60 is: 63,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,433 : 98,533.08 = 45,972.60 : x
  2. Step 2: Convert to fraction form
    71,433/98,533.08 = 45,972.60/x
  3. Step 3: Cross multiply
    71,433x = 98,533.08 × 45,972.60
  4. Step 4: Simplify right side
    71,433x = 4,529,821,873.61
  5. Step 5: Solve for x
    x = 4,529,821,873.61/71,433
  6. Step 6: Final answer
    x = 63,413.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.