Home / 47,130.72-70,696.64-12,069.44

Finding the Fourth Proportional to 47,130.72, 70,696.64 and 12,069.44

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Solution

The fourth proportional to 47,130.72, 70,696.64 and 12,069.44 is: 18,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,130.72 : 70,696.64 = 12,069.44 : x
  2. Step 2: Convert to fraction form
    47,130.72/70,696.64 = 12,069.44/x
  3. Step 3: Cross multiply
    47,130.72x = 70,696.64 × 12,069.44
  4. Step 4: Simplify right side
    47,130.72x = 853,268,854.68
  5. Step 5: Solve for x
    x = 853,268,854.68/47,130.72
  6. Step 6: Final answer
    x = 18,104.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.