Home / 66,601.93-91,910.67-38,307.62

Finding the Fourth Proportional to 66,601.93, 91,910.67 and 38,307.62

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Solution

The fourth proportional to 66,601.93, 91,910.67 and 38,307.62 is: 52,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,601.93 : 91,910.67 = 38,307.62 : x
  2. Step 2: Convert to fraction form
    66,601.93/91,910.67 = 38,307.62/x
  3. Step 3: Cross multiply
    66,601.93x = 91,910.67 × 38,307.62
  4. Step 4: Simplify right side
    66,601.93x = 3,520,879,057.98
  5. Step 5: Solve for x
    x = 3,520,879,057.98/66,601.93
  6. Step 6: Final answer
    x = 52,864.52

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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.