Home / 98,776.47-136,310.49-53,453.46

Finding the Fourth Proportional to 98,776.47, 136,310.49 and 53,453.46

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Solution

The fourth proportional to 98,776.47, 136,310.49 and 53,453.46 is: 73,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,776.47 : 136,310.49 = 53,453.46 : x
  2. Step 2: Convert to fraction form
    98,776.47/136,310.49 = 53,453.46/x
  3. Step 3: Cross multiply
    98,776.47x = 136,310.49 × 53,453.46
  4. Step 4: Simplify right side
    98,776.47x = 7,286,267,324.80
  5. Step 5: Solve for x
    x = 7,286,267,324.80/98,776.47
  6. Step 6: Final answer
    x = 73,765.21

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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.