Home / 104,121.72-143,682.30-61,095.42

Finding the Fourth Proportional to 104,121.72, 143,682.30 and 61,095.42

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Solution

The fourth proportional to 104,121.72, 143,682.30 and 61,095.42 is: 84,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,121.72 : 143,682.30 = 61,095.42 : x
  2. Step 2: Convert to fraction form
    104,121.72/143,682.30 = 61,095.42/x
  3. Step 3: Cross multiply
    104,121.72x = 143,682.30 × 61,095.42
  4. Step 4: Simplify right side
    104,121.72x = 8,778,330,465.07
  5. Step 5: Solve for x
    x = 8,778,330,465.07/104,121.72
  6. Step 6: Final answer
    x = 84,308.35

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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.