Home / 83,838.36-125,720.61-44,386.24

Finding the Fourth Proportional to 83,838.36, 125,720.61 and 44,386.24

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Solution

The fourth proportional to 83,838.36, 125,720.61 and 44,386.24 is: 66,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,838.36 : 125,720.61 = 44,386.24 : x
  2. Step 2: Convert to fraction form
    83,838.36/125,720.61 = 44,386.24/x
  3. Step 3: Cross multiply
    83,838.36x = 125,720.61 × 44,386.24
  4. Step 4: Simplify right side
    83,838.36x = 5,580,265,168.41
  5. Step 5: Solve for x
    x = 5,580,265,168.41/83,838.36
  6. Step 6: Final answer
    x = 66,559.81

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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.