Home / 53,811.95-80,606.75-31,558.31

Finding the Fourth Proportional to 53,811.95, 80,606.75 and 31,558.31

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Solution

The fourth proportional to 53,811.95, 80,606.75 and 31,558.31 is: 47,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,811.95 : 80,606.75 = 31,558.31 : x
  2. Step 2: Convert to fraction form
    53,811.95/80,606.75 = 31,558.31/x
  3. Step 3: Cross multiply
    53,811.95x = 80,606.75 × 31,558.31
  4. Step 4: Simplify right side
    53,811.95x = 2,543,812,243.77
  5. Step 5: Solve for x
    x = 2,543,812,243.77/53,811.95
  6. Step 6: Final answer
    x = 47,272.26

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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.