Home / 53,558.42-80,331.14-14,118.50

Finding the Fourth Proportional to 53,558.42, 80,331.14 and 14,118.50

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Solution

The fourth proportional to 53,558.42, 80,331.14 and 14,118.50 is: 21,176.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,558.42 : 80,331.14 = 14,118.50 : x
  2. Step 2: Convert to fraction form
    53,558.42/80,331.14 = 14,118.50/x
  3. Step 3: Cross multiply
    53,558.42x = 80,331.14 × 14,118.50
  4. Step 4: Simplify right side
    53,558.42x = 1,134,155,436.21
  5. Step 5: Solve for x
    x = 1,134,155,436.21/53,558.42
  6. Step 6: Final answer
    x = 21,176.05

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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.