Home / 64,638.15-89,199.09-35,957.76

Finding the Fourth Proportional to 64,638.15, 89,199.09 and 35,957.76

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Solution

The fourth proportional to 64,638.15, 89,199.09 and 35,957.76 is: 49,620.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,638.15 : 89,199.09 = 35,957.76 : x
  2. Step 2: Convert to fraction form
    64,638.15/89,199.09 = 35,957.76/x
  3. Step 3: Cross multiply
    64,638.15x = 89,199.09 × 35,957.76
  4. Step 4: Simplify right side
    64,638.15x = 3,207,399,470.44
  5. Step 5: Solve for x
    x = 3,207,399,470.44/64,638.15
  6. Step 6: Final answer
    x = 49,620.84

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1.5x scale

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.