Home / 78,268.41-117,351.59-51,533.52

Finding the Fourth Proportional to 78,268.41, 117,351.59 and 51,533.52

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Solution

The fourth proportional to 78,268.41, 117,351.59 and 51,533.52 is: 77,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,268.41 : 117,351.59 = 51,533.52 : x
  2. Step 2: Convert to fraction form
    78,268.41/117,351.59 = 51,533.52/x
  3. Step 3: Cross multiply
    78,268.41x = 117,351.59 × 51,533.52
  4. Step 4: Simplify right side
    78,268.41x = 6,047,539,812.56
  5. Step 5: Solve for x
    x = 6,047,539,812.56/78,268.41
  6. Step 6: Final answer
    x = 77,266.68

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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.