Home / 87,298.04-120,485.04-51,492.08

Finding the Fourth Proportional to 87,298.04, 120,485.04 and 51,492.08

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Solution

The fourth proportional to 87,298.04, 120,485.04 and 51,492.08 is: 71,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,298.04 : 120,485.04 = 51,492.08 : x
  2. Step 2: Convert to fraction form
    87,298.04/120,485.04 = 51,492.08/x
  3. Step 3: Cross multiply
    87,298.04x = 120,485.04 × 51,492.08
  4. Step 4: Simplify right side
    87,298.04x = 6,204,025,318.48
  5. Step 5: Solve for x
    x = 6,204,025,318.48/87,298.04
  6. Step 6: Final answer
    x = 71,067.18

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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.