Home / 84,639.40-127,007.70-32,086.60

Finding the Fourth Proportional to 84,639.40, 127,007.70 and 32,086.60

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Solution

The fourth proportional to 84,639.40, 127,007.70 and 32,086.60 is: 48,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,639.40 : 127,007.70 = 32,086.60 : x
  2. Step 2: Convert to fraction form
    84,639.40/127,007.70 = 32,086.60/x
  3. Step 3: Cross multiply
    84,639.40x = 127,007.70 × 32,086.60
  4. Step 4: Simplify right side
    84,639.40x = 4,075,245,266.82
  5. Step 5: Solve for x
    x = 4,075,245,266.82/84,639.40
  6. Step 6: Final answer
    x = 48,148.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.