Home / 86,048.28-118,756.80-48,322.44

Finding the Fourth Proportional to 86,048.28, 118,756.80 and 48,322.44

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Solution

The fourth proportional to 86,048.28, 118,756.80 and 48,322.44 is: 66,690.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,048.28 : 118,756.80 = 48,322.44 : x
  2. Step 2: Convert to fraction form
    86,048.28/118,756.80 = 48,322.44/x
  3. Step 3: Cross multiply
    86,048.28x = 118,756.80 × 48,322.44
  4. Step 4: Simplify right side
    86,048.28x = 5,738,618,342.59
  5. Step 5: Solve for x
    x = 5,738,618,342.59/86,048.28
  6. Step 6: Final answer
    x = 66,690.68

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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.