Home / 72,888.23-109,347.69-41,313.42

Finding the Fourth Proportional to 72,888.23, 109,347.69 and 41,313.42

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Solution

The fourth proportional to 72,888.23, 109,347.69 and 41,313.42 is: 61,978.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,888.23 : 109,347.69 = 41,313.42 : x
  2. Step 2: Convert to fraction form
    72,888.23/109,347.69 = 41,313.42/x
  3. Step 3: Cross multiply
    72,888.23x = 109,347.69 × 41,313.42
  4. Step 4: Simplify right side
    72,888.23x = 4,517,527,043.00
  5. Step 5: Solve for x
    x = 4,517,527,043.00/72,888.23
  6. Step 6: Final answer
    x = 61,978.83

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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.