Home / 79,538.90-109,752.25-46,813.85

Finding the Fourth Proportional to 79,538.90, 109,752.25 and 46,813.85

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Solution

The fourth proportional to 79,538.90, 109,752.25 and 46,813.85 is: 64,596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,538.90 : 109,752.25 = 46,813.85 : x
  2. Step 2: Convert to fraction form
    79,538.90/109,752.25 = 46,813.85/x
  3. Step 3: Cross multiply
    79,538.90x = 109,752.25 × 46,813.85
  4. Step 4: Simplify right side
    79,538.90x = 5,137,925,202.21
  5. Step 5: Solve for x
    x = 5,137,925,202.21/79,538.90
  6. Step 6: Final answer
    x = 64,596.39

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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.