Home / 84,975.48-127,480.23-47,588.72

Finding the Fourth Proportional to 84,975.48, 127,480.23 and 47,588.72

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Solution

The fourth proportional to 84,975.48, 127,480.23 and 47,588.72 is: 71,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,975.48 : 127,480.23 = 47,588.72 : x
  2. Step 2: Convert to fraction form
    84,975.48/127,480.23 = 47,588.72/x
  3. Step 3: Cross multiply
    84,975.48x = 127,480.23 × 47,588.72
  4. Step 4: Simplify right side
    84,975.48x = 6,066,620,333.60
  5. Step 5: Solve for x
    x = 6,066,620,333.60/84,975.48
  6. Step 6: Final answer
    x = 71,392.60

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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.