Home / 116,581.96-175,047.90-66,718.36

Finding the Fourth Proportional to 116,581.96, 175,047.90 and 66,718.36

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Solution

The fourth proportional to 116,581.96, 175,047.90 and 66,718.36 is: 100,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,581.96 : 175,047.90 = 66,718.36 : x
  2. Step 2: Convert to fraction form
    116,581.96/175,047.90 = 66,718.36/x
  3. Step 3: Cross multiply
    116,581.96x = 175,047.90 × 66,718.36
  4. Step 4: Simplify right side
    116,581.96x = 11,678,908,809.44
  5. Step 5: Solve for x
    x = 11,678,908,809.44/116,581.96
  6. Step 6: Final answer
    x = 100,177.67

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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.