Home / 98,249.22-135,476.65-66,362.76

Finding the Fourth Proportional to 98,249.22, 135,476.65 and 66,362.76

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Solution

The fourth proportional to 98,249.22, 135,476.65 and 66,362.76 is: 91,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,249.22 : 135,476.65 = 66,362.76 : x
  2. Step 2: Convert to fraction form
    98,249.22/135,476.65 = 66,362.76/x
  3. Step 3: Cross multiply
    98,249.22x = 135,476.65 × 66,362.76
  4. Step 4: Simplify right side
    98,249.22x = 8,990,604,492.51
  5. Step 5: Solve for x
    x = 8,990,604,492.51/98,249.22
  6. Step 6: Final answer
    x = 91,508.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.