Home / 88,100.24-121,577.31-47,814.03

Finding the Fourth Proportional to 88,100.24, 121,577.31 and 47,814.03

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Solution

The fourth proportional to 88,100.24, 121,577.31 and 47,814.03 is: 65,982.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,100.24 : 121,577.31 = 47,814.03 : x
  2. Step 2: Convert to fraction form
    88,100.24/121,577.31 = 47,814.03/x
  3. Step 3: Cross multiply
    88,100.24x = 121,577.31 × 47,814.03
  4. Step 4: Simplify right side
    88,100.24x = 5,813,101,147.66
  5. Step 5: Solve for x
    x = 5,813,101,147.66/88,100.24
  6. Step 6: Final answer
    x = 65,982.81

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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.