Home / 47,875.19-71,822.23-14,141.78

Finding the Fourth Proportional to 47,875.19, 71,822.23 and 14,141.78

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Solution

The fourth proportional to 47,875.19, 71,822.23 and 14,141.78 is: 21,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,875.19 : 71,822.23 = 14,141.78 : x
  2. Step 2: Convert to fraction form
    47,875.19/71,822.23 = 14,141.78/x
  3. Step 3: Cross multiply
    47,875.19x = 71,822.23 × 14,141.78
  4. Step 4: Simplify right side
    47,875.19x = 1,015,693,816.66
  5. Step 5: Solve for x
    x = 1,015,693,816.66/47,875.19
  6. Step 6: Final answer
    x = 21,215.45

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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.