Home / 84,041.26-115,974-45,800.03

Finding the Fourth Proportional to 84,041.26, 115,974 and 45,800.03

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Solution

The fourth proportional to 84,041.26, 115,974 and 45,800.03 is: 63,202.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,041.26 : 115,974 = 45,800.03 : x
  2. Step 2: Convert to fraction form
    84,041.26/115,974 = 45,800.03/x
  3. Step 3: Cross multiply
    84,041.26x = 115,974 × 45,800.03
  4. Step 4: Simplify right side
    84,041.26x = 5,311,612,679.22
  5. Step 5: Solve for x
    x = 5,311,612,679.22/84,041.26
  6. Step 6: Final answer
    x = 63,202.44

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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.