Home / 74,792.70-103,217.22-42,971.85

Finding the Fourth Proportional to 74,792.70, 103,217.22 and 42,971.85

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Solution

The fourth proportional to 74,792.70, 103,217.22 and 42,971.85 is: 59,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,792.70 : 103,217.22 = 42,971.85 : x
  2. Step 2: Convert to fraction form
    74,792.70/103,217.22 = 42,971.85/x
  3. Step 3: Cross multiply
    74,792.70x = 103,217.22 × 42,971.85
  4. Step 4: Simplify right side
    74,792.70x = 4,435,434,895.26
  5. Step 5: Solve for x
    x = 4,435,434,895.26/74,792.70
  6. Step 6: Final answer
    x = 59,303.05

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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.