Home / 74,607.28-111,802.48-47,869.38

Finding the Fourth Proportional to 74,607.28, 111,802.48 and 47,869.38

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Solution

The fourth proportional to 74,607.28, 111,802.48 and 47,869.38 is: 71,734.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,607.28 : 111,802.48 = 47,869.38 : x
  2. Step 2: Convert to fraction form
    74,607.28/111,802.48 = 47,869.38/x
  3. Step 3: Cross multiply
    74,607.28x = 111,802.48 × 47,869.38
  4. Step 4: Simplify right side
    74,607.28x = 5,351,915,280.39
  5. Step 5: Solve for x
    x = 5,351,915,280.39/74,607.28
  6. Step 6: Final answer
    x = 71,734.49

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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.