Home / 47,098.80-70,648.20-12,036.60

Finding the Fourth Proportional to 47,098.80, 70,648.20 and 12,036.60

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Solution

The fourth proportional to 47,098.80, 70,648.20 and 12,036.60 is: 18,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,098.80 : 70,648.20 = 12,036.60 : x
  2. Step 2: Convert to fraction form
    47,098.80/70,648.20 = 12,036.60/x
  3. Step 3: Cross multiply
    47,098.80x = 70,648.20 × 12,036.60
  4. Step 4: Simplify right side
    47,098.80x = 850,364,124.12
  5. Step 5: Solve for x
    x = 850,364,124.12/47,098.80
  6. Step 6: Final answer
    x = 18,054.90

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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.