Home / 74,940.26-103,420.52-43,109.12

Finding the Fourth Proportional to 74,940.26, 103,420.52 and 43,109.12

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Solution

The fourth proportional to 74,940.26, 103,420.52 and 43,109.12 is: 59,492.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,940.26 : 103,420.52 = 43,109.12 : x
  2. Step 2: Convert to fraction form
    74,940.26/103,420.52 = 43,109.12/x
  3. Step 3: Cross multiply
    74,940.26x = 103,420.52 × 43,109.12
  4. Step 4: Simplify right side
    74,940.26x = 4,458,367,607.14
  5. Step 5: Solve for x
    x = 4,458,367,607.14/74,940.26
  6. Step 6: Final answer
    x = 59,492.29

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1.5x scale

Why These Related Problems?

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