Home / 45,800.32-68,710.26-14,209.70

Finding the Fourth Proportional to 45,800.32, 68,710.26 and 14,209.70

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Solution

The fourth proportional to 45,800.32, 68,710.26 and 14,209.70 is: 21,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,800.32 : 68,710.26 = 14,209.70 : x
  2. Step 2: Convert to fraction form
    45,800.32/68,710.26 = 14,209.70/x
  3. Step 3: Cross multiply
    45,800.32x = 68,710.26 × 14,209.70
  4. Step 4: Simplify right side
    45,800.32x = 976,352,181.52
  5. Step 5: Solve for x
    x = 976,352,181.52/45,800.32
  6. Step 6: Final answer
    x = 21,317.58

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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.