Home / 56,311.36-77,689.92-35,073.04

Finding the Fourth Proportional to 56,311.36, 77,689.92 and 35,073.04

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Solution

The fourth proportional to 56,311.36, 77,689.92 and 35,073.04 is: 48,388.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,311.36 : 77,689.92 = 35,073.04 : x
  2. Step 2: Convert to fraction form
    56,311.36/77,689.92 = 35,073.04/x
  3. Step 3: Cross multiply
    56,311.36x = 77,689.92 × 35,073.04
  4. Step 4: Simplify right side
    56,311.36x = 2,724,821,671.76
  5. Step 5: Solve for x
    x = 2,724,821,671.76/56,311.36
  6. Step 6: Final answer
    x = 48,388.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.