Home / 112,464.51-168,613.43-68,080.76

Finding the Fourth Proportional to 112,464.51, 168,613.43 and 68,080.76

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Solution

The fourth proportional to 112,464.51, 168,613.43 and 68,080.76 is: 102,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,464.51 : 168,613.43 = 68,080.76 : x
  2. Step 2: Convert to fraction form
    112,464.51/168,613.43 = 68,080.76/x
  3. Step 3: Cross multiply
    112,464.51x = 168,613.43 × 68,080.76
  4. Step 4: Simplify right side
    112,464.51x = 11,479,330,460.61
  5. Step 5: Solve for x
    x = 11,479,330,460.61/112,464.51
  6. Step 6: Final answer
    x = 102,070.69

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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.