Home / 66,813.69-92,204.38-38,132.77

Finding the Fourth Proportional to 66,813.69, 92,204.38 and 38,132.77

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Solution

The fourth proportional to 66,813.69, 92,204.38 and 38,132.77 is: 52,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,813.69 : 92,204.38 = 38,132.77 : x
  2. Step 2: Convert to fraction form
    66,813.69/92,204.38 = 38,132.77/x
  3. Step 3: Cross multiply
    66,813.69x = 92,204.38 × 38,132.77
  4. Step 4: Simplify right side
    66,813.69x = 3,516,008,550.71
  5. Step 5: Solve for x
    x = 3,516,008,550.71/66,813.69
  6. Step 6: Final answer
    x = 52,624.08

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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.