Home / 64,837.12-89,453.28-52,879.68

Finding the Fourth Proportional to 64,837.12, 89,453.28 and 52,879.68

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Solution

The fourth proportional to 64,837.12, 89,453.28 and 52,879.68 is: 72,956.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,837.12 : 89,453.28 = 52,879.68 : x
  2. Step 2: Convert to fraction form
    64,837.12/89,453.28 = 52,879.68/x
  3. Step 3: Cross multiply
    64,837.12x = 89,453.28 × 52,879.68
  4. Step 4: Simplify right side
    64,837.12x = 4,730,260,821.35
  5. Step 5: Solve for x
    x = 4,730,260,821.35/64,837.12
  6. Step 6: Final answer
    x = 72,956.06

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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.