Home / 65,616.84-90,550.08-37,321.92

Finding the Fourth Proportional to 65,616.84, 90,550.08 and 37,321.92

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Solution

The fourth proportional to 65,616.84, 90,550.08 and 37,321.92 is: 51,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,616.84 : 90,550.08 = 37,321.92 : x
  2. Step 2: Convert to fraction form
    65,616.84/90,550.08 = 37,321.92/x
  3. Step 3: Cross multiply
    65,616.84x = 90,550.08 × 37,321.92
  4. Step 4: Simplify right side
    65,616.84x = 3,379,502,841.75
  5. Step 5: Solve for x
    x = 3,379,502,841.75/65,616.84
  6. Step 6: Final answer
    x = 51,503.59

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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.