Home / 89,885.04-134,830.68-33,719.40

Finding the Fourth Proportional to 89,885.04, 134,830.68 and 33,719.40

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Solution

The fourth proportional to 89,885.04, 134,830.68 and 33,719.40 is: 50,580.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,885.04 : 134,830.68 = 33,719.40 : x
  2. Step 2: Convert to fraction form
    89,885.04/134,830.68 = 33,719.40/x
  3. Step 3: Cross multiply
    89,885.04x = 134,830.68 × 33,719.40
  4. Step 4: Simplify right side
    89,885.04x = 4,546,409,631.19
  5. Step 5: Solve for x
    x = 4,546,409,631.19/89,885.04
  6. Step 6: Final answer
    x = 50,580.27

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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.