Home / 83,596.25-115,370.93-47,779.45

Finding the Fourth Proportional to 83,596.25, 115,370.93 and 47,779.45

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Solution

The fourth proportional to 83,596.25, 115,370.93 and 47,779.45 is: 65,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,596.25 : 115,370.93 = 47,779.45 : x
  2. Step 2: Convert to fraction form
    83,596.25/115,370.93 = 47,779.45/x
  3. Step 3: Cross multiply
    83,596.25x = 115,370.93 × 47,779.45
  4. Step 4: Simplify right side
    83,596.25x = 5,512,359,412.41
  5. Step 5: Solve for x
    x = 5,512,359,412.41/83,596.25
  6. Step 6: Final answer
    x = 65,940.27

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1.5x scale

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.