Home / 77,237.19-115,868.29-23,916.64

Finding the Fourth Proportional to 77,237.19, 115,868.29 and 23,916.64

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Solution

The fourth proportional to 77,237.19, 115,868.29 and 23,916.64 is: 35,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,237.19 : 115,868.29 = 23,916.64 : x
  2. Step 2: Convert to fraction form
    77,237.19/115,868.29 = 23,916.64/x
  3. Step 3: Cross multiply
    77,237.19x = 115,868.29 × 23,916.64
  4. Step 4: Simplify right side
    77,237.19x = 2,771,179,799.99
  5. Step 5: Solve for x
    x = 2,771,179,799.99/77,237.19
  6. Step 6: Final answer
    x = 35,878.83

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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.