Home / 74,626.24-103,071.70-49,432

Finding the Fourth Proportional to 74,626.24, 103,071.70 and 49,432

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Solution

The fourth proportional to 74,626.24, 103,071.70 and 49,432 is: 68,274.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,626.24 : 103,071.70 = 49,432 : x
  2. Step 2: Convert to fraction form
    74,626.24/103,071.70 = 49,432/x
  3. Step 3: Cross multiply
    74,626.24x = 103,071.70 × 49,432
  4. Step 4: Simplify right side
    74,626.24x = 5,095,040,274.40
  5. Step 5: Solve for x
    x = 5,095,040,274.40/74,626.24
  6. Step 6: Final answer
    x = 68,274.11

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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.