Home / 70,423.24-105,635.10-17,832.70

Finding the Fourth Proportional to 70,423.24, 105,635.10 and 17,832.70

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Solution

The fourth proportional to 70,423.24, 105,635.10 and 17,832.70 is: 26,749.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,423.24 : 105,635.10 = 17,832.70 : x
  2. Step 2: Convert to fraction form
    70,423.24/105,635.10 = 17,832.70/x
  3. Step 3: Cross multiply
    70,423.24x = 105,635.10 × 17,832.70
  4. Step 4: Simplify right side
    70,423.24x = 1,883,759,047.77
  5. Step 5: Solve for x
    x = 1,883,759,047.77/70,423.24
  6. Step 6: Final answer
    x = 26,749.11

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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.