Home / 45,798.40-68,579.29-31,610.64

Finding the Fourth Proportional to 45,798.40, 68,579.29 and 31,610.64

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Solution

The fourth proportional to 45,798.40, 68,579.29 and 31,610.64 is: 47,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,798.40 : 68,579.29 = 31,610.64 : x
  2. Step 2: Convert to fraction form
    45,798.40/68,579.29 = 31,610.64/x
  3. Step 3: Cross multiply
    45,798.40x = 68,579.29 × 31,610.64
  4. Step 4: Simplify right side
    45,798.40x = 2,167,835,247.65
  5. Step 5: Solve for x
    x = 2,167,835,247.65/45,798.40
  6. Step 6: Final answer
    x = 47,334.30

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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.