Home / 47,201.88-70,803-19,122.46

Finding the Fourth Proportional to 47,201.88, 70,803 and 19,122.46

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Solution

The fourth proportional to 47,201.88, 70,803 and 19,122.46 is: 28,683.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,201.88 : 70,803 = 19,122.46 : x
  2. Step 2: Convert to fraction form
    47,201.88/70,803 = 19,122.46/x
  3. Step 3: Cross multiply
    47,201.88x = 70,803 × 19,122.46
  4. Step 4: Simplify right side
    47,201.88x = 1,353,927,623.88
  5. Step 5: Solve for x
    x = 1,353,927,623.88/47,201.88
  6. Step 6: Final answer
    x = 28,683.77

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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.