Home / 124,280.36-171,518.82-76,561.64

Finding the Fourth Proportional to 124,280.36, 171,518.82 and 76,561.64

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Solution

The fourth proportional to 124,280.36, 171,518.82 and 76,561.64 is: 105,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,280.36 : 171,518.82 = 76,561.64 : x
  2. Step 2: Convert to fraction form
    124,280.36/171,518.82 = 76,561.64/x
  3. Step 3: Cross multiply
    124,280.36x = 171,518.82 × 76,561.64
  4. Step 4: Simplify right side
    124,280.36x = 13,131,762,150.06
  5. Step 5: Solve for x
    x = 13,131,762,150.06/124,280.36
  6. Step 6: Final answer
    x = 105,662.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.