Home / 89,051.48-122,891.28-48,216.04

Finding the Fourth Proportional to 89,051.48, 122,891.28 and 48,216.04

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Solution

The fourth proportional to 89,051.48, 122,891.28 and 48,216.04 is: 66,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,051.48 : 122,891.28 = 48,216.04 : x
  2. Step 2: Convert to fraction form
    89,051.48/122,891.28 = 48,216.04/x
  3. Step 3: Cross multiply
    89,051.48x = 122,891.28 × 48,216.04
  4. Step 4: Simplify right side
    89,051.48x = 5,925,330,872.13
  5. Step 5: Solve for x
    x = 5,925,330,872.13/89,051.48
  6. Step 6: Final answer
    x = 66,538.26

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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.