Home / 63,709.44-87,626.76-51,106.56

Finding the Fourth Proportional to 63,709.44, 87,626.76 and 51,106.56

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Solution

The fourth proportional to 63,709.44, 87,626.76 and 51,106.56 is: 70,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,709.44 : 87,626.76 = 51,106.56 : x
  2. Step 2: Convert to fraction form
    63,709.44/87,626.76 = 51,106.56/x
  3. Step 3: Cross multiply
    63,709.44x = 87,626.76 × 51,106.56
  4. Step 4: Simplify right side
    63,709.44x = 4,478,302,267.55
  5. Step 5: Solve for x
    x = 4,478,302,267.55/63,709.44
  6. Step 6: Final answer
    x = 70,292.60

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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.