Home / 81,350.94-112,274.85-45,548.37

Finding the Fourth Proportional to 81,350.94, 112,274.85 and 45,548.37

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Solution

The fourth proportional to 81,350.94, 112,274.85 and 45,548.37 is: 62,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,350.94 : 112,274.85 = 45,548.37 : x
  2. Step 2: Convert to fraction form
    81,350.94/112,274.85 = 45,548.37/x
  3. Step 3: Cross multiply
    81,350.94x = 112,274.85 × 45,548.37
  4. Step 4: Simplify right side
    81,350.94x = 5,113,936,409.49
  5. Step 5: Solve for x
    x = 5,113,936,409.49/81,350.94
  6. Step 6: Final answer
    x = 62,862.66

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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.