Home / 45,695.20-68,542.80-14,533.60

Finding the Fourth Proportional to 45,695.20, 68,542.80 and 14,533.60

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Solution

The fourth proportional to 45,695.20, 68,542.80 and 14,533.60 is: 21,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,695.20 : 68,542.80 = 14,533.60 : x
  2. Step 2: Convert to fraction form
    45,695.20/68,542.80 = 14,533.60/x
  3. Step 3: Cross multiply
    45,695.20x = 68,542.80 × 14,533.60
  4. Step 4: Simplify right side
    45,695.20x = 996,173,638.08
  5. Step 5: Solve for x
    x = 996,173,638.08/45,695.20
  6. Step 6: Final answer
    x = 21,800.40

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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.