Home / 80,998.08-111,775.79-44,702.94

Finding the Fourth Proportional to 80,998.08, 111,775.79 and 44,702.94

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Solution

The fourth proportional to 80,998.08, 111,775.79 and 44,702.94 is: 61,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,998.08 : 111,775.79 = 44,702.94 : x
  2. Step 2: Convert to fraction form
    80,998.08/111,775.79 = 44,702.94/x
  3. Step 3: Cross multiply
    80,998.08x = 111,775.79 × 44,702.94
  4. Step 4: Simplify right side
    80,998.08x = 4,996,706,210.31
  5. Step 5: Solve for x
    x = 4,996,706,210.31/80,998.08
  6. Step 6: Final answer
    x = 61,689.19

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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.