Home / 112,590.09-168,872.58-28,350.23

Finding the Fourth Proportional to 112,590.09, 168,872.58 and 28,350.23

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Solution

The fourth proportional to 112,590.09, 168,872.58 and 28,350.23 is: 42,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,590.09 : 168,872.58 = 28,350.23 : x
  2. Step 2: Convert to fraction form
    112,590.09/168,872.58 = 28,350.23/x
  3. Step 3: Cross multiply
    112,590.09x = 168,872.58 × 28,350.23
  4. Step 4: Simplify right side
    112,590.09x = 4,787,575,639.33
  5. Step 5: Solve for x
    x = 4,787,575,639.33/112,590.09
  6. Step 6: Final answer
    x = 42,522.18

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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.