Home / 118,045.45-162,884.12-66,352.37

Finding the Fourth Proportional to 118,045.45, 162,884.12 and 66,352.37

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Solution

The fourth proportional to 118,045.45, 162,884.12 and 66,352.37 is: 91,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,045.45 : 162,884.12 = 66,352.37 : x
  2. Step 2: Convert to fraction form
    118,045.45/162,884.12 = 66,352.37/x
  3. Step 3: Cross multiply
    118,045.45x = 162,884.12 × 66,352.37
  4. Step 4: Simplify right side
    118,045.45x = 10,807,746,251.18
  5. Step 5: Solve for x
    x = 10,807,746,251.18/118,045.45
  6. Step 6: Final answer
    x = 91,555.80

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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.