Home / 74,830.23-103,266.02-40,839.44

Finding the Fourth Proportional to 74,830.23, 103,266.02 and 40,839.44

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Solution

The fourth proportional to 74,830.23, 103,266.02 and 40,839.44 is: 56,358.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,830.23 : 103,266.02 = 40,839.44 : x
  2. Step 2: Convert to fraction form
    74,830.23/103,266.02 = 40,839.44/x
  3. Step 3: Cross multiply
    74,830.23x = 103,266.02 × 40,839.44
  4. Step 4: Simplify right side
    74,830.23x = 4,217,326,013.60
  5. Step 5: Solve for x
    x = 4,217,326,013.60/74,830.23
  6. Step 6: Final answer
    x = 56,358.59

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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.