Home / 77,780.24-116,669.01-25,189.82

Finding the Fourth Proportional to 77,780.24, 116,669.01 and 25,189.82

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Solution

The fourth proportional to 77,780.24, 116,669.01 and 25,189.82 is: 37,784.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,780.24 : 116,669.01 = 25,189.82 : x
  2. Step 2: Convert to fraction form
    77,780.24/116,669.01 = 25,189.82/x
  3. Step 3: Cross multiply
    77,780.24x = 116,669.01 × 25,189.82
  4. Step 4: Simplify right side
    77,780.24x = 2,938,871,361.48
  5. Step 5: Solve for x
    x = 2,938,871,361.48/77,780.24
  6. Step 6: Final answer
    x = 37,784.29

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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.