Home / 102,861.28-154,092.66-58,353.40

Finding the Fourth Proportional to 102,861.28, 154,092.66 and 58,353.40

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Solution

The fourth proportional to 102,861.28, 154,092.66 and 58,353.40 is: 87,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,861.28 : 154,092.66 = 58,353.40 : x
  2. Step 2: Convert to fraction form
    102,861.28/154,092.66 = 58,353.40/x
  3. Step 3: Cross multiply
    102,861.28x = 154,092.66 × 58,353.40
  4. Step 4: Simplify right side
    102,861.28x = 8,991,830,626.04
  5. Step 5: Solve for x
    x = 8,991,830,626.04/102,861.28
  6. Step 6: Final answer
    x = 87,417.06

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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.