Home / 83,735.60-125,603.44-31,138.24

Finding the Fourth Proportional to 83,735.60, 125,603.44 and 31,138.24

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Solution

The fourth proportional to 83,735.60, 125,603.44 and 31,138.24 is: 46,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,735.60 : 125,603.44 = 31,138.24 : x
  2. Step 2: Convert to fraction form
    83,735.60/125,603.44 = 31,138.24/x
  3. Step 3: Cross multiply
    83,735.60x = 125,603.44 × 31,138.24
  4. Step 4: Simplify right side
    83,735.60x = 3,911,070,059.55
  5. Step 5: Solve for x
    x = 3,911,070,059.55/83,735.60
  6. Step 6: Final answer
    x = 46,707.37

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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.