Home / 45,549.20-68,323.80-16,000.40

Finding the Fourth Proportional to 45,549.20, 68,323.80 and 16,000.40

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Solution

The fourth proportional to 45,549.20, 68,323.80 and 16,000.40 is: 24,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,549.20 : 68,323.80 = 16,000.40 : x
  2. Step 2: Convert to fraction form
    45,549.20/68,323.80 = 16,000.40/x
  3. Step 3: Cross multiply
    45,549.20x = 68,323.80 × 16,000.40
  4. Step 4: Simplify right side
    45,549.20x = 1,093,208,129.52
  5. Step 5: Solve for x
    x = 1,093,208,129.52/45,549.20
  6. Step 6: Final answer
    x = 24,000.60

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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.