Home / 89,318.36-133,803.38-49,756.34

Finding the Fourth Proportional to 89,318.36, 133,803.38 and 49,756.34

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Solution

The fourth proportional to 89,318.36, 133,803.38 and 49,756.34 is: 74,537.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,318.36 : 133,803.38 = 49,756.34 : x
  2. Step 2: Convert to fraction form
    89,318.36/133,803.38 = 49,756.34/x
  3. Step 3: Cross multiply
    89,318.36x = 133,803.38 × 49,756.34
  4. Step 4: Simplify right side
    89,318.36x = 6,657,565,923.80
  5. Step 5: Solve for x
    x = 6,657,565,923.80/89,318.36
  6. Step 6: Final answer
    x = 74,537.49

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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.