Home / 75,122.36-112,585.08-30,698.42

Finding the Fourth Proportional to 75,122.36, 112,585.08 and 30,698.42

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Solution

The fourth proportional to 75,122.36, 112,585.08 and 30,698.42 is: 46,007.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,122.36 : 112,585.08 = 30,698.42 : x
  2. Step 2: Convert to fraction form
    75,122.36/112,585.08 = 30,698.42/x
  3. Step 3: Cross multiply
    75,122.36x = 112,585.08 × 30,698.42
  4. Step 4: Simplify right side
    75,122.36x = 3,456,184,071.57
  5. Step 5: Solve for x
    x = 3,456,184,071.57/75,122.36
  6. Step 6: Final answer
    x = 46,007.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.