Home / 74,758.83-112,119.12-22,156.02

Finding the Fourth Proportional to 74,758.83, 112,119.12 and 22,156.02

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Solution

The fourth proportional to 74,758.83, 112,119.12 and 22,156.02 is: 33,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,758.83 : 112,119.12 = 22,156.02 : x
  2. Step 2: Convert to fraction form
    74,758.83/112,119.12 = 22,156.02/x
  3. Step 3: Cross multiply
    74,758.83x = 112,119.12 × 22,156.02
  4. Step 4: Simplify right side
    74,758.83x = 2,484,113,465.10
  5. Step 5: Solve for x
    x = 2,484,113,465.10/74,758.83
  6. Step 6: Final answer
    x = 33,228.36

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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.