Home / 77,441.28-106,871.04-43,912.32

Finding the Fourth Proportional to 77,441.28, 106,871.04 and 43,912.32

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Solution

The fourth proportional to 77,441.28, 106,871.04 and 43,912.32 is: 60,600.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,441.28 : 106,871.04 = 43,912.32 : x
  2. Step 2: Convert to fraction form
    77,441.28/106,871.04 = 43,912.32/x
  3. Step 3: Cross multiply
    77,441.28x = 106,871.04 × 43,912.32
  4. Step 4: Simplify right side
    77,441.28x = 4,692,955,307.21
  5. Step 5: Solve for x
    x = 4,692,955,307.21/77,441.28
  6. Step 6: Final answer
    x = 60,600.18

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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.