Home / 108,984.39-150,393.66-63,666.57

Finding the Fourth Proportional to 108,984.39, 150,393.66 and 63,666.57

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Solution

The fourth proportional to 108,984.39, 150,393.66 and 63,666.57 is: 87,857.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,984.39 : 150,393.66 = 63,666.57 : x
  2. Step 2: Convert to fraction form
    108,984.39/150,393.66 = 63,666.57/x
  3. Step 3: Cross multiply
    108,984.39x = 150,393.66 × 63,666.57
  4. Step 4: Simplify right side
    108,984.39x = 9,575,048,481.95
  5. Step 5: Solve for x
    x = 9,575,048,481.95/108,984.39
  6. Step 6: Final answer
    x = 87,857.06

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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.