Home / 66,922.48-92,351.32-38,632.88

Finding the Fourth Proportional to 66,922.48, 92,351.32 and 38,632.88

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Solution

The fourth proportional to 66,922.48, 92,351.32 and 38,632.88 is: 53,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,922.48 : 92,351.32 = 38,632.88 : x
  2. Step 2: Convert to fraction form
    66,922.48/92,351.32 = 38,632.88/x
  3. Step 3: Cross multiply
    66,922.48x = 92,351.32 × 38,632.88
  4. Step 4: Simplify right side
    66,922.48x = 3,567,797,463.40
  5. Step 5: Solve for x
    x = 3,567,797,463.40/66,922.48
  6. Step 6: Final answer
    x = 53,312.39

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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.