Home / 49,688.07-68,571.35-28,471.42

Finding the Fourth Proportional to 49,688.07, 68,571.35 and 28,471.42

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Solution

The fourth proportional to 49,688.07, 68,571.35 and 28,471.42 is: 39,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,688.07 : 68,571.35 = 28,471.42 : x
  2. Step 2: Convert to fraction form
    49,688.07/68,571.35 = 28,471.42/x
  3. Step 3: Cross multiply
    49,688.07x = 68,571.35 × 28,471.42
  4. Step 4: Simplify right side
    49,688.07x = 1,952,323,705.82
  5. Step 5: Solve for x
    x = 1,952,323,705.82/49,688.07
  6. Step 6: Final answer
    x = 39,291.60

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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.