Home / 74,880.54-103,320.06-47,667.57

Finding the Fourth Proportional to 74,880.54, 103,320.06 and 47,667.57

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Solution

The fourth proportional to 74,880.54, 103,320.06 and 47,667.57 is: 65,771.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,880.54 : 103,320.06 = 47,667.57 : x
  2. Step 2: Convert to fraction form
    74,880.54/103,320.06 = 47,667.57/x
  3. Step 3: Cross multiply
    74,880.54x = 103,320.06 × 47,667.57
  4. Step 4: Simplify right side
    74,880.54x = 4,925,016,192.45
  5. Step 5: Solve for x
    x = 4,925,016,192.45/74,880.54
  6. Step 6: Final answer
    x = 65,771.64

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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.