Home / 109,279.08-163,886.22-46,935

Finding the Fourth Proportional to 109,279.08, 163,886.22 and 46,935

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Solution

The fourth proportional to 109,279.08, 163,886.22 and 46,935 is: 70,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,279.08 : 163,886.22 = 46,935 : x
  2. Step 2: Convert to fraction form
    109,279.08/163,886.22 = 46,935/x
  3. Step 3: Cross multiply
    109,279.08x = 163,886.22 × 46,935
  4. Step 4: Simplify right side
    109,279.08x = 7,691,999,735.70
  5. Step 5: Solve for x
    x = 7,691,999,735.70/109,279.08
  6. Step 6: Final answer
    x = 70,388.58

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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.