Home / 72,442.14-108,678.60-22,521.02

Finding the Fourth Proportional to 72,442.14, 108,678.60 and 22,521.02

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Solution

The fourth proportional to 72,442.14, 108,678.60 and 22,521.02 is: 33,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,442.14 : 108,678.60 = 22,521.02 : x
  2. Step 2: Convert to fraction form
    72,442.14/108,678.60 = 22,521.02/x
  3. Step 3: Cross multiply
    72,442.14x = 108,678.60 × 22,521.02
  4. Step 4: Simplify right side
    72,442.14x = 2,447,552,924.17
  5. Step 5: Solve for x
    x = 2,447,552,924.17/72,442.14
  6. Step 6: Final answer
    x = 33,786.31

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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.