Home / 66,795.12-92,174.49-36,579.69

Finding the Fourth Proportional to 66,795.12, 92,174.49 and 36,579.69

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Solution

The fourth proportional to 66,795.12, 92,174.49 and 36,579.69 is: 50,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,795.12 : 92,174.49 = 36,579.69 : x
  2. Step 2: Convert to fraction form
    66,795.12/92,174.49 = 36,579.69/x
  3. Step 3: Cross multiply
    66,795.12x = 92,174.49 × 36,579.69
  4. Step 4: Simplify right side
    66,795.12x = 3,371,714,270.11
  5. Step 5: Solve for x
    x = 3,371,714,270.11/66,795.12
  6. Step 6: Final answer
    x = 50,478.45

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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.