Home / 47,860.19-71,784.84-12,802.58

Finding the Fourth Proportional to 47,860.19, 71,784.84 and 12,802.58

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Solution

The fourth proportional to 47,860.19, 71,784.84 and 12,802.58 is: 19,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,860.19 : 71,784.84 = 12,802.58 : x
  2. Step 2: Convert to fraction form
    47,860.19/71,784.84 = 12,802.58/x
  3. Step 3: Cross multiply
    47,860.19x = 71,784.84 × 12,802.58
  4. Step 4: Simplify right side
    47,860.19x = 919,031,156.89
  5. Step 5: Solve for x
    x = 919,031,156.89/47,860.19
  6. Step 6: Final answer
    x = 19,202.41

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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.