Home / 89,126.53-133,620.40-44,116.83

Finding the Fourth Proportional to 89,126.53, 133,620.40 and 44,116.83

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Solution

The fourth proportional to 89,126.53, 133,620.40 and 44,116.83 is: 66,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,126.53 : 133,620.40 = 44,116.83 : x
  2. Step 2: Convert to fraction form
    89,126.53/133,620.40 = 44,116.83/x
  3. Step 3: Cross multiply
    89,126.53x = 133,620.40 × 44,116.83
  4. Step 4: Simplify right side
    89,126.53x = 5,894,908,666.51
  5. Step 5: Solve for x
    x = 5,894,908,666.51/89,126.53
  6. Step 6: Final answer
    x = 66,140.90

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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.