Home / 45,816.80-68,735.02-14,226.20

Finding the Fourth Proportional to 45,816.80, 68,735.02 and 14,226.20

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Solution

The fourth proportional to 45,816.80, 68,735.02 and 14,226.20 is: 21,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,816.80 : 68,735.02 = 14,226.20 : x
  2. Step 2: Convert to fraction form
    45,816.80/68,735.02 = 14,226.20/x
  3. Step 3: Cross multiply
    45,816.80x = 68,735.02 × 14,226.20
  4. Step 4: Simplify right side
    45,816.80x = 977,838,141.52
  5. Step 5: Solve for x
    x = 977,838,141.52/45,816.80
  6. Step 6: Final answer
    x = 21,342.35

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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.