Home / 48,728.58-73,122.03-21,026.58

Finding the Fourth Proportional to 48,728.58, 73,122.03 and 21,026.58

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Solution

The fourth proportional to 48,728.58, 73,122.03 and 21,026.58 is: 31,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,728.58 : 73,122.03 = 21,026.58 : x
  2. Step 2: Convert to fraction form
    48,728.58/73,122.03 = 21,026.58/x
  3. Step 3: Cross multiply
    48,728.58x = 73,122.03 × 21,026.58
  4. Step 4: Simplify right side
    48,728.58x = 1,537,506,213.56
  5. Step 5: Solve for x
    x = 1,537,506,213.56/48,728.58
  6. Step 6: Final answer
    x = 31,552.45

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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.