Home / 115,623.23-173,446.38-31,384.76

Finding the Fourth Proportional to 115,623.23, 173,446.38 and 31,384.76

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Solution

The fourth proportional to 115,623.23, 173,446.38 and 31,384.76 is: 47,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,623.23 : 173,446.38 = 31,384.76 : x
  2. Step 2: Convert to fraction form
    115,623.23/173,446.38 = 31,384.76/x
  3. Step 3: Cross multiply
    115,623.23x = 173,446.38 × 31,384.76
  4. Step 4: Simplify right side
    115,623.23x = 5,443,572,141.94
  5. Step 5: Solve for x
    x = 5,443,572,141.94/115,623.23
  6. Step 6: Final answer
    x = 47,080.27

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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.