Home / 66,800.24-92,184.36-38,505.68

Finding the Fourth Proportional to 66,800.24, 92,184.36 and 38,505.68

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Solution

The fourth proportional to 66,800.24, 92,184.36 and 38,505.68 is: 53,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,800.24 : 92,184.36 = 38,505.68 : x
  2. Step 2: Convert to fraction form
    66,800.24/92,184.36 = 38,505.68/x
  3. Step 3: Cross multiply
    66,800.24x = 92,184.36 × 38,505.68
  4. Step 4: Simplify right side
    66,800.24x = 3,549,621,467.16
  5. Step 5: Solve for x
    x = 3,549,621,467.16/66,800.24
  6. Step 6: Final answer
    x = 53,137.86

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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.