Home / 80,511.30-111,099.94-44,699.18

Finding the Fourth Proportional to 80,511.30, 111,099.94 and 44,699.18

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Solution

The fourth proportional to 80,511.30, 111,099.94 and 44,699.18 is: 61,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,511.30 : 111,099.94 = 44,699.18 : x
  2. Step 2: Convert to fraction form
    80,511.30/111,099.94 = 44,699.18/x
  3. Step 3: Cross multiply
    80,511.30x = 111,099.94 × 44,699.18
  4. Step 4: Simplify right side
    80,511.30x = 4,966,075,548.80
  5. Step 5: Solve for x
    x = 4,966,075,548.80/80,511.30
  6. Step 6: Final answer
    x = 61,681.72

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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.