Home / 55,855.99-77,082.75-30,364.08

Finding the Fourth Proportional to 55,855.99, 77,082.75 and 30,364.08

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Solution

The fourth proportional to 55,855.99, 77,082.75 and 30,364.08 is: 41,903.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,855.99 : 77,082.75 = 30,364.08 : x
  2. Step 2: Convert to fraction form
    55,855.99/77,082.75 = 30,364.08/x
  3. Step 3: Cross multiply
    55,855.99x = 77,082.75 × 30,364.08
  4. Step 4: Simplify right side
    55,855.99x = 2,340,546,787.62
  5. Step 5: Solve for x
    x = 2,340,546,787.62/55,855.99
  6. Step 6: Final answer
    x = 41,903.24

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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.