Home / 112,026.96-168,066.36-65,319.12

Finding the Fourth Proportional to 112,026.96, 168,066.36 and 65,319.12

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Solution

The fourth proportional to 112,026.96, 168,066.36 and 65,319.12 is: 97,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,026.96 : 168,066.36 = 65,319.12 : x
  2. Step 2: Convert to fraction form
    112,026.96/168,066.36 = 65,319.12/x
  3. Step 3: Cross multiply
    112,026.96x = 168,066.36 × 65,319.12
  4. Step 4: Simplify right side
    112,026.96x = 10,977,946,736.80
  5. Step 5: Solve for x
    x = 10,977,946,736.80/112,026.96
  6. Step 6: Final answer
    x = 97,993.79

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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.