Home / 45,810.60-68,718.62-14,223.64

Finding the Fourth Proportional to 45,810.60, 68,718.62 and 14,223.64

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Solution

The fourth proportional to 45,810.60, 68,718.62 and 14,223.64 is: 21,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,810.60 : 68,718.62 = 14,223.64 : x
  2. Step 2: Convert to fraction form
    45,810.60/68,718.62 = 14,223.64/x
  3. Step 3: Cross multiply
    45,810.60x = 68,718.62 × 14,223.64
  4. Step 4: Simplify right side
    45,810.60x = 977,428,912.18
  5. Step 5: Solve for x
    x = 977,428,912.18/45,810.60
  6. Step 6: Final answer
    x = 21,336.30

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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.