Home / 47,130.58-70,693.63-13,849.30

Finding the Fourth Proportional to 47,130.58, 70,693.63 and 13,849.30

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Solution

The fourth proportional to 47,130.58, 70,693.63 and 13,849.30 is: 20,773.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,130.58 : 70,693.63 = 13,849.30 : x
  2. Step 2: Convert to fraction form
    47,130.58/70,693.63 = 13,849.30/x
  3. Step 3: Cross multiply
    47,130.58x = 70,693.63 × 13,849.30
  4. Step 4: Simplify right side
    47,130.58x = 979,057,289.96
  5. Step 5: Solve for x
    x = 979,057,289.96/47,130.58
  6. Step 6: Final answer
    x = 20,773.29

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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.