Home / 80,545.45-111,139.34-46,557.07

Finding the Fourth Proportional to 80,545.45, 111,139.34 and 46,557.07

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Solution

The fourth proportional to 80,545.45, 111,139.34 and 46,557.07 is: 64,241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,545.45 : 111,139.34 = 46,557.07 : x
  2. Step 2: Convert to fraction form
    80,545.45/111,139.34 = 46,557.07/x
  3. Step 3: Cross multiply
    80,545.45x = 111,139.34 × 46,557.07
  4. Step 4: Simplify right side
    80,545.45x = 5,174,322,032.13
  5. Step 5: Solve for x
    x = 5,174,322,032.13/80,545.45
  6. Step 6: Final answer
    x = 64,241.02

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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.