Home / 70,905.08-106,423.24-35,869.34

Finding the Fourth Proportional to 70,905.08, 106,423.24 and 35,869.34

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Solution

The fourth proportional to 70,905.08, 106,423.24 and 35,869.34 is: 53,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,905.08 : 106,423.24 = 35,869.34 : x
  2. Step 2: Convert to fraction form
    70,905.08/106,423.24 = 35,869.34/x
  3. Step 3: Cross multiply
    70,905.08x = 106,423.24 × 35,869.34
  4. Step 4: Simplify right side
    70,905.08x = 3,817,331,379.46
  5. Step 5: Solve for x
    x = 3,817,331,379.46/70,905.08
  6. Step 6: Final answer
    x = 53,837.21

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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.