Home / 92,120.48-137,413.28-90,596.24

Finding the Fourth Proportional to 92,120.48, 137,413.28 and 90,596.24

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Solution

The fourth proportional to 92,120.48, 137,413.28 and 90,596.24 is: 135,139.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,120.48 : 137,413.28 = 90,596.24 : x
  2. Step 2: Convert to fraction form
    92,120.48/137,413.28 = 90,596.24/x
  3. Step 3: Cross multiply
    92,120.48x = 137,413.28 × 90,596.24
  4. Step 4: Simplify right side
    92,120.48x = 12,449,126,494.07
  5. Step 5: Solve for x
    x = 12,449,126,494.07/92,120.48
  6. Step 6: Final answer
    x = 135,139.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.