Home / 45,626.76-68,461.80-31,608.36

Finding the Fourth Proportional to 45,626.76, 68,461.80 and 31,608.36

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Solution

The fourth proportional to 45,626.76, 68,461.80 and 31,608.36 is: 47,427.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,626.76 : 68,461.80 = 31,608.36 : x
  2. Step 2: Convert to fraction form
    45,626.76/68,461.80 = 31,608.36/x
  3. Step 3: Cross multiply
    45,626.76x = 68,461.80 × 31,608.36
  4. Step 4: Simplify right side
    45,626.76x = 2,163,965,220.65
  5. Step 5: Solve for x
    x = 2,163,965,220.65/45,626.76
  6. Step 6: Final answer
    x = 47,427.55

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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.