Home / 64,767.22-89,378.30-36,085.43

Finding the Fourth Proportional to 64,767.22, 89,378.30 and 36,085.43

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Solution

The fourth proportional to 64,767.22, 89,378.30 and 36,085.43 is: 49,797.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,767.22 : 89,378.30 = 36,085.43 : x
  2. Step 2: Convert to fraction form
    64,767.22/89,378.30 = 36,085.43/x
  3. Step 3: Cross multiply
    64,767.22x = 89,378.30 × 36,085.43
  4. Step 4: Simplify right side
    64,767.22x = 3,225,254,701.83
  5. Step 5: Solve for x
    x = 3,225,254,701.83/64,767.22
  6. Step 6: Final answer
    x = 49,797.64

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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.