Home / 47,415.81-71,122.80-14,158.41

Finding the Fourth Proportional to 47,415.81, 71,122.80 and 14,158.41

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Solution

The fourth proportional to 47,415.81, 71,122.80 and 14,158.41 is: 21,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,415.81 : 71,122.80 = 14,158.41 : x
  2. Step 2: Convert to fraction form
    47,415.81/71,122.80 = 14,158.41/x
  3. Step 3: Cross multiply
    47,415.81x = 71,122.80 × 14,158.41
  4. Step 4: Simplify right side
    47,415.81x = 1,006,985,762.75
  5. Step 5: Solve for x
    x = 1,006,985,762.75/47,415.81
  6. Step 6: Final answer
    x = 21,237.34

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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.