Home / 66,910.06-92,329.23-38,624.86

Finding the Fourth Proportional to 66,910.06, 92,329.23 and 38,624.86

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Solution

The fourth proportional to 66,910.06, 92,329.23 and 38,624.86 is: 53,298.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,910.06 : 92,329.23 = 38,624.86 : x
  2. Step 2: Convert to fraction form
    66,910.06/92,329.23 = 38,624.86/x
  3. Step 3: Cross multiply
    66,910.06x = 92,329.23 × 38,624.86
  4. Step 4: Simplify right side
    66,910.06x = 3,566,203,582.66
  5. Step 5: Solve for x
    x = 3,566,203,582.66/66,910.06
  6. Step 6: Final answer
    x = 53,298.47

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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.