Home / 86,262.89-119,040.01-48,021.20

Finding the Fourth Proportional to 86,262.89, 119,040.01 and 48,021.20

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Solution

The fourth proportional to 86,262.89, 119,040.01 and 48,021.20 is: 66,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,262.89 : 119,040.01 = 48,021.20 : x
  2. Step 2: Convert to fraction form
    86,262.89/119,040.01 = 48,021.20/x
  3. Step 3: Cross multiply
    86,262.89x = 119,040.01 × 48,021.20
  4. Step 4: Simplify right side
    86,262.89x = 5,716,443,412.96
  5. Step 5: Solve for x
    x = 5,716,443,412.96/86,262.89
  6. Step 6: Final answer
    x = 66,267.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.