Home / 74,718.34-112,077.87-22,128.82

Finding the Fourth Proportional to 74,718.34, 112,077.87 and 22,128.82

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Solution

The fourth proportional to 74,718.34, 112,077.87 and 22,128.82 is: 33,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,718.34 : 112,077.87 = 22,128.82 : x
  2. Step 2: Convert to fraction form
    74,718.34/112,077.87 = 22,128.82/x
  3. Step 3: Cross multiply
    74,718.34x = 112,077.87 × 22,128.82
  4. Step 4: Simplify right side
    74,718.34x = 2,480,151,011.21
  5. Step 5: Solve for x
    x = 2,480,151,011.21/74,718.34
  6. Step 6: Final answer
    x = 33,193.34

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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.