Home / 47,106.36-65,004.12-28,963.98

Finding the Fourth Proportional to 47,106.36, 65,004.12 and 28,963.98

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Solution

The fourth proportional to 47,106.36, 65,004.12 and 28,963.98 is: 39,968.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,106.36 : 65,004.12 = 28,963.98 : x
  2. Step 2: Convert to fraction form
    47,106.36/65,004.12 = 28,963.98/x
  3. Step 3: Cross multiply
    47,106.36x = 65,004.12 × 28,963.98
  4. Step 4: Simplify right side
    47,106.36x = 1,882,778,031.60
  5. Step 5: Solve for x
    x = 1,882,778,031.60/47,106.36
  6. Step 6: Final answer
    x = 39,968.66

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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.