Home / 74,206.73-102,407.27-42,374.94

Finding the Fourth Proportional to 74,206.73, 102,407.27 and 42,374.94

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Solution

The fourth proportional to 74,206.73, 102,407.27 and 42,374.94 is: 58,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,206.73 : 102,407.27 = 42,374.94 : x
  2. Step 2: Convert to fraction form
    74,206.73/102,407.27 = 42,374.94/x
  3. Step 3: Cross multiply
    74,206.73x = 102,407.27 × 42,374.94
  4. Step 4: Simplify right side
    74,206.73x = 4,339,501,709.94
  5. Step 5: Solve for x
    x = 4,339,501,709.94/74,206.73
  6. Step 6: Final answer
    x = 58,478.55

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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.