Home / 84,103.20-116,056.80-48,288.24

Finding the Fourth Proportional to 84,103.20, 116,056.80 and 48,288.24

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Solution

The fourth proportional to 84,103.20, 116,056.80 and 48,288.24 is: 66,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,103.20 : 116,056.80 = 48,288.24 : x
  2. Step 2: Convert to fraction form
    84,103.20/116,056.80 = 48,288.24/x
  3. Step 3: Cross multiply
    84,103.20x = 116,056.80 × 48,288.24
  4. Step 4: Simplify right side
    84,103.20x = 5,604,178,612.03
  5. Step 5: Solve for x
    x = 5,604,178,612.03/84,103.20
  6. Step 6: Final answer
    x = 66,634.55

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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.