Home / 87,863.04-121,246.20-52,056.36

Finding the Fourth Proportional to 87,863.04, 121,246.20 and 52,056.36

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Solution

The fourth proportional to 87,863.04, 121,246.20 and 52,056.36 is: 71,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,863.04 : 121,246.20 = 52,056.36 : x
  2. Step 2: Convert to fraction form
    87,863.04/121,246.20 = 52,056.36/x
  3. Step 3: Cross multiply
    87,863.04x = 121,246.20 × 52,056.36
  4. Step 4: Simplify right side
    87,863.04x = 6,311,635,835.83
  5. Step 5: Solve for x
    x = 6,311,635,835.83/87,863.04
  6. Step 6: Final answer
    x = 71,834.94

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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.