Home / 89,737.04-123,881.94-69,548.60

Finding the Fourth Proportional to 89,737.04, 123,881.94 and 69,548.60

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Solution

The fourth proportional to 89,737.04, 123,881.94 and 69,548.60 is: 96,011.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,737.04 : 123,881.94 = 69,548.60 : x
  2. Step 2: Convert to fraction form
    89,737.04/123,881.94 = 69,548.60/x
  3. Step 3: Cross multiply
    89,737.04x = 123,881.94 × 69,548.60
  4. Step 4: Simplify right side
    89,737.04x = 8,615,814,872.87
  5. Step 5: Solve for x
    x = 8,615,814,872.87/89,737.04
  6. Step 6: Final answer
    x = 96,011.81

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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.