Home / 53,871.72-80,807.61-14,427.83

Finding the Fourth Proportional to 53,871.72, 80,807.61 and 14,427.83

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Solution

The fourth proportional to 53,871.72, 80,807.61 and 14,427.83 is: 21,641.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,871.72 : 80,807.61 = 14,427.83 : x
  2. Step 2: Convert to fraction form
    53,871.72/80,807.61 = 14,427.83/x
  3. Step 3: Cross multiply
    53,871.72x = 80,807.61 × 14,427.83
  4. Step 4: Simplify right side
    53,871.72x = 1,165,878,055.75
  5. Step 5: Solve for x
    x = 1,165,878,055.75/53,871.72
  6. Step 6: Final answer
    x = 21,641.75

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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.