Home / 47,859.24-71,783.10-12,801.64

Finding the Fourth Proportional to 47,859.24, 71,783.10 and 12,801.64

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Solution

The fourth proportional to 47,859.24, 71,783.10 and 12,801.64 is: 19,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,859.24 : 71,783.10 = 12,801.64 : x
  2. Step 2: Convert to fraction form
    47,859.24/71,783.10 = 12,801.64/x
  3. Step 3: Cross multiply
    47,859.24x = 71,783.10 × 12,801.64
  4. Step 4: Simplify right side
    47,859.24x = 918,941,404.28
  5. Step 5: Solve for x
    x = 918,941,404.28/47,859.24
  6. Step 6: Final answer
    x = 19,200.92

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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.