Home / 49,878.48-68,822.80-29,737.20

Finding the Fourth Proportional to 49,878.48, 68,822.80 and 29,737.20

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Solution

The fourth proportional to 49,878.48, 68,822.80 and 29,737.20 is: 41,031.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,878.48 : 68,822.80 = 29,737.20 : x
  2. Step 2: Convert to fraction form
    49,878.48/68,822.80 = 29,737.20/x
  3. Step 3: Cross multiply
    49,878.48x = 68,822.80 × 29,737.20
  4. Step 4: Simplify right side
    49,878.48x = 2,046,597,368.16
  5. Step 5: Solve for x
    x = 2,046,597,368.16/49,878.48
  6. Step 6: Final answer
    x = 41,031.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.