Home / 98,712.27-148,031.55-35,515.26

Finding the Fourth Proportional to 98,712.27, 148,031.55 and 35,515.26

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Solution

The fourth proportional to 98,712.27, 148,031.55 and 35,515.26 is: 53,259.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,712.27 : 148,031.55 = 35,515.26 : x
  2. Step 2: Convert to fraction form
    98,712.27/148,031.55 = 35,515.26/x
  3. Step 3: Cross multiply
    98,712.27x = 148,031.55 × 35,515.26
  4. Step 4: Simplify right side
    98,712.27x = 5,257,378,986.45
  5. Step 5: Solve for x
    x = 5,257,378,986.45/98,712.27
  6. Step 6: Final answer
    x = 53,259.63

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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.