Home / 58,628.49-80,907.57-31,771.05

Finding the Fourth Proportional to 58,628.49, 80,907.57 and 31,771.05

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Solution

The fourth proportional to 58,628.49, 80,907.57 and 31,771.05 is: 43,844.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,628.49 : 80,907.57 = 31,771.05 : x
  2. Step 2: Convert to fraction form
    58,628.49/80,907.57 = 31,771.05/x
  3. Step 3: Cross multiply
    58,628.49x = 80,907.57 × 31,771.05
  4. Step 4: Simplify right side
    58,628.49x = 2,570,518,451.85
  5. Step 5: Solve for x
    x = 2,570,518,451.85/58,628.49
  6. Step 6: Final answer
    x = 43,844.19

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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.