Home / 74,916.73-112,374.33-43,306.68

Finding the Fourth Proportional to 74,916.73, 112,374.33 and 43,306.68

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Solution

The fourth proportional to 74,916.73, 112,374.33 and 43,306.68 is: 64,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,916.73 : 112,374.33 = 43,306.68 : x
  2. Step 2: Convert to fraction form
    74,916.73/112,374.33 = 43,306.68/x
  3. Step 3: Cross multiply
    74,916.73x = 112,374.33 × 43,306.68
  4. Step 4: Simplify right side
    74,916.73x = 4,866,559,408.53
  5. Step 5: Solve for x
    x = 4,866,559,408.53/74,916.73
  6. Step 6: Final answer
    x = 64,959.58

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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.