Home / 74,821.67-103,254.90-42,557.93

Finding the Fourth Proportional to 74,821.67, 103,254.90 and 42,557.93

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Solution

The fourth proportional to 74,821.67, 103,254.90 and 42,557.93 is: 58,730.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,821.67 : 103,254.90 = 42,557.93 : x
  2. Step 2: Convert to fraction form
    74,821.67/103,254.90 = 42,557.93/x
  3. Step 3: Cross multiply
    74,821.67x = 103,254.90 × 42,557.93
  4. Step 4: Simplify right side
    74,821.67x = 4,394,314,806.36
  5. Step 5: Solve for x
    x = 4,394,314,806.36/74,821.67
  6. Step 6: Final answer
    x = 58,730.51

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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.