Home / 80,810.76-111,511.70-46,808.38

Finding the Fourth Proportional to 80,810.76, 111,511.70 and 46,808.38

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Solution

The fourth proportional to 80,810.76, 111,511.70 and 46,808.38 is: 64,591.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,810.76 : 111,511.70 = 46,808.38 : x
  2. Step 2: Convert to fraction form
    80,810.76/111,511.70 = 46,808.38/x
  3. Step 3: Cross multiply
    80,810.76x = 111,511.70 × 46,808.38
  4. Step 4: Simplify right side
    80,810.76x = 5,219,681,470.49
  5. Step 5: Solve for x
    x = 5,219,681,470.49/80,810.76
  6. Step 6: Final answer
    x = 64,591.42

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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.