Home / 77,973.75-116,980.11-22,569.75

Finding the Fourth Proportional to 77,973.75, 116,980.11 and 22,569.75

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Solution

The fourth proportional to 77,973.75, 116,980.11 and 22,569.75 is: 33,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,973.75 : 116,980.11 = 22,569.75 : x
  2. Step 2: Convert to fraction form
    77,973.75/116,980.11 = 22,569.75/x
  3. Step 3: Cross multiply
    77,973.75x = 116,980.11 × 22,569.75
  4. Step 4: Simplify right side
    77,973.75x = 2,640,211,837.67
  5. Step 5: Solve for x
    x = 2,640,211,837.67/77,973.75
  6. Step 6: Final answer
    x = 33,860.26

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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.