Home / 72,990.64-109,413.06-62,954.74

Finding the Fourth Proportional to 72,990.64, 109,413.06 and 62,954.74

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Solution

The fourth proportional to 72,990.64, 109,413.06 and 62,954.74 is: 94,369.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,990.64 : 109,413.06 = 62,954.74 : x
  2. Step 2: Convert to fraction form
    72,990.64/109,413.06 = 62,954.74/x
  3. Step 3: Cross multiply
    72,990.64x = 109,413.06 × 62,954.74
  4. Step 4: Simplify right side
    72,990.64x = 6,888,070,744.90
  5. Step 5: Solve for x
    x = 6,888,070,744.90/72,990.64
  6. Step 6: Final answer
    x = 94,369.23

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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.