Home / 74,742.32-112,094.37-22,139.51

Finding the Fourth Proportional to 74,742.32, 112,094.37 and 22,139.51

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Solution

The fourth proportional to 74,742.32, 112,094.37 and 22,139.51 is: 33,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,742.32 : 112,094.37 = 22,139.51 : x
  2. Step 2: Convert to fraction form
    74,742.32/112,094.37 = 22,139.51/x
  3. Step 3: Cross multiply
    74,742.32x = 112,094.37 × 22,139.51
  4. Step 4: Simplify right side
    74,742.32x = 2,481,713,865.09
  5. Step 5: Solve for x
    x = 2,481,713,865.09/74,742.32
  6. Step 6: Final answer
    x = 33,203.60

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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.