Home / 55,689.08-76,850.88-30,196.29

Finding the Fourth Proportional to 55,689.08, 76,850.88 and 30,196.29

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Solution

The fourth proportional to 55,689.08, 76,850.88 and 30,196.29 is: 41,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,689.08 : 76,850.88 = 30,196.29 : x
  2. Step 2: Convert to fraction form
    55,689.08/76,850.88 = 30,196.29/x
  3. Step 3: Cross multiply
    55,689.08x = 76,850.88 × 30,196.29
  4. Step 4: Simplify right side
    55,689.08x = 2,320,611,459.24
  5. Step 5: Solve for x
    x = 2,320,611,459.24/55,689.08
  6. Step 6: Final answer
    x = 41,670.85

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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.