Home / 45,525.80-68,298.30-14,364.20

Finding the Fourth Proportional to 45,525.80, 68,298.30 and 14,364.20

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Solution

The fourth proportional to 45,525.80, 68,298.30 and 14,364.20 is: 21,549.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,525.80 : 68,298.30 = 14,364.20 : x
  2. Step 2: Convert to fraction form
    45,525.80/68,298.30 = 14,364.20/x
  3. Step 3: Cross multiply
    45,525.80x = 68,298.30 × 14,364.20
  4. Step 4: Simplify right side
    45,525.80x = 981,050,440.86
  5. Step 5: Solve for x
    x = 981,050,440.86/45,525.80
  6. Step 6: Final answer
    x = 21,549.33

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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.