Home / 87,534.46-120,629.01-63,623.26

Finding the Fourth Proportional to 87,534.46, 120,629.01 and 63,623.26

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Solution

The fourth proportional to 87,534.46, 120,629.01 and 63,623.26 is: 87,677.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,534.46 : 120,629.01 = 63,623.26 : x
  2. Step 2: Convert to fraction form
    87,534.46/120,629.01 = 63,623.26/x
  3. Step 3: Cross multiply
    87,534.46x = 120,629.01 × 63,623.26
  4. Step 4: Simplify right side
    87,534.46x = 7,674,810,866.77
  5. Step 5: Solve for x
    x = 7,674,810,866.77/87,534.46
  6. Step 6: Final answer
    x = 87,677.59

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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.