Home / 74,005.74-111,025-34,541.32

Finding the Fourth Proportional to 74,005.74, 111,025 and 34,541.32

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Solution

The fourth proportional to 74,005.74, 111,025 and 34,541.32 is: 51,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,005.74 : 111,025 = 34,541.32 : x
  2. Step 2: Convert to fraction form
    74,005.74/111,025 = 34,541.32/x
  3. Step 3: Cross multiply
    74,005.74x = 111,025 × 34,541.32
  4. Step 4: Simplify right side
    74,005.74x = 3,834,950,053
  5. Step 5: Solve for x
    x = 3,834,950,053/74,005.74
  6. Step 6: Final answer
    x = 51,819.63

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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.