Home / 86,629.80-119,543.50-50,328.03

Finding the Fourth Proportional to 86,629.80, 119,543.50 and 50,328.03

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Solution

The fourth proportional to 86,629.80, 119,543.50 and 50,328.03 is: 69,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,629.80 : 119,543.50 = 50,328.03 : x
  2. Step 2: Convert to fraction form
    86,629.80/119,543.50 = 50,328.03/x
  3. Step 3: Cross multiply
    86,629.80x = 119,543.50 × 50,328.03
  4. Step 4: Simplify right side
    86,629.80x = 6,016,388,854.31
  5. Step 5: Solve for x
    x = 6,016,388,854.31/86,629.80
  6. Step 6: Final answer
    x = 69,449.41

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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.