Home / 47,116.81-70,647.53-19,037.75

Finding the Fourth Proportional to 47,116.81, 70,647.53 and 19,037.75

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Solution

The fourth proportional to 47,116.81, 70,647.53 and 19,037.75 is: 28,545.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,116.81 : 70,647.53 = 19,037.75 : x
  2. Step 2: Convert to fraction form
    47,116.81/70,647.53 = 19,037.75/x
  3. Step 3: Cross multiply
    47,116.81x = 70,647.53 × 19,037.75
  4. Step 4: Simplify right side
    47,116.81x = 1,344,969,919.07
  5. Step 5: Solve for x
    x = 1,344,969,919.07/47,116.81
  6. Step 6: Final answer
    x = 28,545.44

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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.