Home / 47,383.05-71,050.80-15,782.00

Finding the Fourth Proportional to 47,383.05, 71,050.80 and 15,782.00

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Solution

The fourth proportional to 47,383.05, 71,050.80 and 15,782.00 is: 23,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,383.05 : 71,050.80 = 15,782.00 : x
  2. Step 2: Convert to fraction form
    47,383.05/71,050.80 = 15,782.00/x
  3. Step 3: Cross multiply
    47,383.05x = 71,050.80 × 15,782.00
  4. Step 4: Simplify right side
    47,383.05x = 1,121,323,799.60
  5. Step 5: Solve for x
    x = 1,121,323,799.60/47,383.05
  6. Step 6: Final answer
    x = 23,665.08

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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.