Home / 65,371.92-90,232.29-42,714.36

Finding the Fourth Proportional to 65,371.92, 90,232.29 and 42,714.36

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Solution

The fourth proportional to 65,371.92, 90,232.29 and 42,714.36 is: 58,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,371.92 : 90,232.29 = 42,714.36 : x
  2. Step 2: Convert to fraction form
    65,371.92/90,232.29 = 42,714.36/x
  3. Step 3: Cross multiply
    65,371.92x = 90,232.29 × 42,714.36
  4. Step 4: Simplify right side
    65,371.92x = 3,854,214,518.68
  5. Step 5: Solve for x
    x = 3,854,214,518.68/65,371.92
  6. Step 6: Final answer
    x = 58,958.26

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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.