Home / 89,706.86-134,433.43-49,743.45

Finding the Fourth Proportional to 89,706.86, 134,433.43 and 49,743.45

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Solution

The fourth proportional to 89,706.86, 134,433.43 and 49,743.45 is: 74,544.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,706.86 : 134,433.43 = 49,743.45 : x
  2. Step 2: Convert to fraction form
    89,706.86/134,433.43 = 49,743.45/x
  3. Step 3: Cross multiply
    89,706.86x = 134,433.43 × 49,743.45
  4. Step 4: Simplify right side
    89,706.86x = 6,687,182,603.53
  5. Step 5: Solve for x
    x = 6,687,182,603.53/89,706.86
  6. Step 6: Final answer
    x = 74,544.83

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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.