Home / 80,900.69-111,618.21-46,902.40

Finding the Fourth Proportional to 80,900.69, 111,618.21 and 46,902.40

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Solution

The fourth proportional to 80,900.69, 111,618.21 and 46,902.40 is: 64,710.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,900.69 : 111,618.21 = 46,902.40 : x
  2. Step 2: Convert to fraction form
    80,900.69/111,618.21 = 46,902.40/x
  3. Step 3: Cross multiply
    80,900.69x = 111,618.21 × 46,902.40
  4. Step 4: Simplify right side
    80,900.69x = 5,235,161,620.26
  5. Step 5: Solve for x
    x = 5,235,161,620.26/80,900.69
  6. Step 6: Final answer
    x = 64,710.96

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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.