Home / 74,755.08-112,150.62-28,008.36

Finding the Fourth Proportional to 74,755.08, 112,150.62 and 28,008.36

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Solution

The fourth proportional to 74,755.08, 112,150.62 and 28,008.36 is: 42,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,755.08 : 112,150.62 = 28,008.36 : x
  2. Step 2: Convert to fraction form
    74,755.08/112,150.62 = 28,008.36/x
  3. Step 3: Cross multiply
    74,755.08x = 112,150.62 × 28,008.36
  4. Step 4: Simplify right side
    74,755.08x = 3,141,154,939.18
  5. Step 5: Solve for x
    x = 3,141,154,939.18/74,755.08
  6. Step 6: Final answer
    x = 42,019.28

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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.