Home / 102,707.04-154,029.96-43,541.76

Finding the Fourth Proportional to 102,707.04, 154,029.96 and 43,541.76

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Solution

The fourth proportional to 102,707.04, 154,029.96 and 43,541.76 is: 65,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,707.04 : 154,029.96 = 43,541.76 : x
  2. Step 2: Convert to fraction form
    102,707.04/154,029.96 = 43,541.76/x
  3. Step 3: Cross multiply
    102,707.04x = 154,029.96 × 43,541.76
  4. Step 4: Simplify right side
    102,707.04x = 6,706,735,551.13
  5. Step 5: Solve for x
    x = 6,706,735,551.13/102,707.04
  6. Step 6: Final answer
    x = 65,299.67

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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.