Home / 83,395.63-125,106.40-28,004.59

Finding the Fourth Proportional to 83,395.63, 125,106.40 and 28,004.59

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Solution

The fourth proportional to 83,395.63, 125,106.40 and 28,004.59 is: 42,011.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,395.63 : 125,106.40 = 28,004.59 : x
  2. Step 2: Convert to fraction form
    83,395.63/125,106.40 = 28,004.59/x
  3. Step 3: Cross multiply
    83,395.63x = 125,106.40 × 28,004.59
  4. Step 4: Simplify right side
    83,395.63x = 3,503,552,812.84
  5. Step 5: Solve for x
    x = 3,503,552,812.84/83,395.63
  6. Step 6: Final answer
    x = 42,011.23

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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.