Home / 74,903.49-103,365-43,071.66

Finding the Fourth Proportional to 74,903.49, 103,365 and 43,071.66

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Solution

The fourth proportional to 74,903.49, 103,365 and 43,071.66 is: 59,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,903.49 : 103,365 = 43,071.66 : x
  2. Step 2: Convert to fraction form
    74,903.49/103,365 = 43,071.66/x
  3. Step 3: Cross multiply
    74,903.49x = 103,365 × 43,071.66
  4. Step 4: Simplify right side
    74,903.49x = 4,452,102,135.90
  5. Step 5: Solve for x
    x = 4,452,102,135.90/74,903.49
  6. Step 6: Final answer
    x = 59,437.85

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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.