Home / 80,638.45-111,284.86-44,829.06

Finding the Fourth Proportional to 80,638.45, 111,284.86 and 44,829.06

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Solution

The fourth proportional to 80,638.45, 111,284.86 and 44,829.06 is: 61,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,638.45 : 111,284.86 = 44,829.06 : x
  2. Step 2: Convert to fraction form
    80,638.45/111,284.86 = 44,829.06/x
  3. Step 3: Cross multiply
    80,638.45x = 111,284.86 × 44,829.06
  4. Step 4: Simplify right side
    80,638.45x = 4,988,796,140.37
  5. Step 5: Solve for x
    x = 4,988,796,140.37/80,638.45
  6. Step 6: Final answer
    x = 61,866.22

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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.