Home / 60,774.36-91,164.78-57,450.12

Finding the Fourth Proportional to 60,774.36, 91,164.78 and 57,450.12

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Solution

The fourth proportional to 60,774.36, 91,164.78 and 57,450.12 is: 86,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,774.36 : 91,164.78 = 57,450.12 : x
  2. Step 2: Convert to fraction form
    60,774.36/91,164.78 = 57,450.12/x
  3. Step 3: Cross multiply
    60,774.36x = 91,164.78 × 57,450.12
  4. Step 4: Simplify right side
    60,774.36x = 5,237,427,550.77
  5. Step 5: Solve for x
    x = 5,237,427,550.77/60,774.36
  6. Step 6: Final answer
    x = 86,178.24

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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.