Home / 112,857.08-169,307.74-41,780.30

Finding the Fourth Proportional to 112,857.08, 169,307.74 and 41,780.30

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Solution

The fourth proportional to 112,857.08, 169,307.74 and 41,780.30 is: 62,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,857.08 : 169,307.74 = 41,780.30 : x
  2. Step 2: Convert to fraction form
    112,857.08/169,307.74 = 41,780.30/x
  3. Step 3: Cross multiply
    112,857.08x = 169,307.74 × 41,780.30
  4. Step 4: Simplify right side
    112,857.08x = 7,073,728,592.79
  5. Step 5: Solve for x
    x = 7,073,728,592.79/112,857.08
  6. Step 6: Final answer
    x = 62,678.64

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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.