Home / 77,551.26-116,334.98-21,391.38

Finding the Fourth Proportional to 77,551.26, 116,334.98 and 21,391.38

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Solution

The fourth proportional to 77,551.26, 116,334.98 and 21,391.38 is: 32,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,551.26 : 116,334.98 = 21,391.38 : x
  2. Step 2: Convert to fraction form
    77,551.26/116,334.98 = 21,391.38/x
  3. Step 3: Cross multiply
    77,551.26x = 116,334.98 × 21,391.38
  4. Step 4: Simplify right side
    77,551.26x = 2,488,565,075.84
  5. Step 5: Solve for x
    x = 2,488,565,075.84/77,551.26
  6. Step 6: Final answer
    x = 32,089.29

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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.