Home / 77,283.10-115,961.10-57,600.10

Finding the Fourth Proportional to 77,283.10, 115,961.10 and 57,600.10

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Solution

The fourth proportional to 77,283.10, 115,961.10 and 57,600.10 is: 86,427.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,283.10 : 115,961.10 = 57,600.10 : x
  2. Step 2: Convert to fraction form
    77,283.10/115,961.10 = 57,600.10/x
  3. Step 3: Cross multiply
    77,283.10x = 115,961.10 × 57,600.10
  4. Step 4: Simplify right side
    77,283.10x = 6,679,370,956.11
  5. Step 5: Solve for x
    x = 6,679,370,956.11/77,283.10
  6. Step 6: Final answer
    x = 86,427.32

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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.