Home / 49,865.38-74,802.18-35,890.45

Finding the Fourth Proportional to 49,865.38, 74,802.18 and 35,890.45

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Solution

The fourth proportional to 49,865.38, 74,802.18 and 35,890.45 is: 53,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,865.38 : 74,802.18 = 35,890.45 : x
  2. Step 2: Convert to fraction form
    49,865.38/74,802.18 = 35,890.45/x
  3. Step 3: Cross multiply
    49,865.38x = 74,802.18 × 35,890.45
  4. Step 4: Simplify right side
    49,865.38x = 2,684,683,901.18
  5. Step 5: Solve for x
    x = 2,684,683,901.18/49,865.38
  6. Step 6: Final answer
    x = 53,838.63

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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.