Home / 45,552.24-68,335.68-14,385.12

Finding the Fourth Proportional to 45,552.24, 68,335.68 and 14,385.12

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Solution

The fourth proportional to 45,552.24, 68,335.68 and 14,385.12 is: 21,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,552.24 : 68,335.68 = 14,385.12 : x
  2. Step 2: Convert to fraction form
    45,552.24/68,335.68 = 14,385.12/x
  3. Step 3: Cross multiply
    45,552.24x = 68,335.68 × 14,385.12
  4. Step 4: Simplify right side
    45,552.24x = 983,016,957.08
  5. Step 5: Solve for x
    x = 983,016,957.08/45,552.24
  6. Step 6: Final answer
    x = 21,579.99

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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.