Home / 78,441.48-117,670.59-25,114.39

Finding the Fourth Proportional to 78,441.48, 117,670.59 and 25,114.39

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Solution

The fourth proportional to 78,441.48, 117,670.59 and 25,114.39 is: 37,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,441.48 : 117,670.59 = 25,114.39 : x
  2. Step 2: Convert to fraction form
    78,441.48/117,670.59 = 25,114.39/x
  3. Step 3: Cross multiply
    78,441.48x = 117,670.59 × 25,114.39
  4. Step 4: Simplify right side
    78,441.48x = 2,955,224,963.22
  5. Step 5: Solve for x
    x = 2,955,224,963.22/78,441.48
  6. Step 6: Final answer
    x = 37,674.26

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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.