Home / 50,875.90-70,194.44-40,087.32

Finding the Fourth Proportional to 50,875.90, 70,194.44 and 40,087.32

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Solution

The fourth proportional to 50,875.90, 70,194.44 and 40,087.32 is: 55,309.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,875.90 : 70,194.44 = 40,087.32 : x
  2. Step 2: Convert to fraction form
    50,875.90/70,194.44 = 40,087.32/x
  3. Step 3: Cross multiply
    50,875.90x = 70,194.44 × 40,087.32
  4. Step 4: Simplify right side
    50,875.90x = 2,813,906,978.50
  5. Step 5: Solve for x
    x = 2,813,906,978.50/50,875.90
  6. Step 6: Final answer
    x = 55,309.23

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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.