Home / 74,942.12-103,440.98-43,121.27

Finding the Fourth Proportional to 74,942.12, 103,440.98 and 43,121.27

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Solution

The fourth proportional to 74,942.12, 103,440.98 and 43,121.27 is: 59,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,942.12 : 103,440.98 = 43,121.27 : x
  2. Step 2: Convert to fraction form
    74,942.12/103,440.98 = 43,121.27/x
  3. Step 3: Cross multiply
    74,942.12x = 103,440.98 × 43,121.27
  4. Step 4: Simplify right side
    74,942.12x = 4,460,506,427.64
  5. Step 5: Solve for x
    x = 4,460,506,427.64/74,942.12
  6. Step 6: Final answer
    x = 59,519.35

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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.