Home / 45,229.12-67,832.16-14,048.32

Finding the Fourth Proportional to 45,229.12, 67,832.16 and 14,048.32

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Solution

The fourth proportional to 45,229.12, 67,832.16 and 14,048.32 is: 21,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,229.12 : 67,832.16 = 14,048.32 : x
  2. Step 2: Convert to fraction form
    45,229.12/67,832.16 = 14,048.32/x
  3. Step 3: Cross multiply
    45,229.12x = 67,832.16 × 14,048.32
  4. Step 4: Simplify right side
    45,229.12x = 952,927,889.97
  5. Step 5: Solve for x
    x = 952,927,889.97/45,229.12
  6. Step 6: Final answer
    x = 21,068.90

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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.