Home / 98,825.22-136,378.85-53,503.20

Finding the Fourth Proportional to 98,825.22, 136,378.85 and 53,503.20

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Solution

The fourth proportional to 98,825.22, 136,378.85 and 53,503.20 is: 73,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,825.22 : 136,378.85 = 53,503.20 : x
  2. Step 2: Convert to fraction form
    98,825.22/136,378.85 = 53,503.20/x
  3. Step 3: Cross multiply
    98,825.22x = 136,378.85 × 53,503.20
  4. Step 4: Simplify right side
    98,825.22x = 7,296,704,619.80
  5. Step 5: Solve for x
    x = 7,296,704,619.80/98,825.22
  6. Step 6: Final answer
    x = 73,834.44

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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.