Home / 83,968.36-125,656.72-52,393.30

Finding the Fourth Proportional to 83,968.36, 125,656.72 and 52,393.30

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Solution

The fourth proportional to 83,968.36, 125,656.72 and 52,393.30 is: 78,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,968.36 : 125,656.72 = 52,393.30 : x
  2. Step 2: Convert to fraction form
    83,968.36/125,656.72 = 52,393.30/x
  3. Step 3: Cross multiply
    83,968.36x = 125,656.72 × 52,393.30
  4. Step 4: Simplify right side
    83,968.36x = 6,583,569,782.85
  5. Step 5: Solve for x
    x = 6,583,569,782.85/83,968.36
  6. Step 6: Final answer
    x = 78,405.37

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1.5x scale

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.