Home / 63,619.12-87,755.30-45,738.10

Finding the Fourth Proportional to 63,619.12, 87,755.30 and 45,738.10

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Solution

The fourth proportional to 63,619.12, 87,755.30 and 45,738.10 is: 63,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,619.12 : 87,755.30 = 45,738.10 : x
  2. Step 2: Convert to fraction form
    63,619.12/87,755.30 = 45,738.10/x
  3. Step 3: Cross multiply
    63,619.12x = 87,755.30 × 45,738.10
  4. Step 4: Simplify right side
    63,619.12x = 4,013,760,739.45
  5. Step 5: Solve for x
    x = 4,013,760,739.45/63,619.12
  6. Step 6: Final answer
    x = 63,090.48

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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.