Home / 45,557.43-68,338.58-14,390.25

Finding the Fourth Proportional to 45,557.43, 68,338.58 and 14,390.25

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Solution

The fourth proportional to 45,557.43, 68,338.58 and 14,390.25 is: 21,586.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,557.43 : 68,338.58 = 14,390.25 : x
  2. Step 2: Convert to fraction form
    45,557.43/68,338.58 = 14,390.25/x
  3. Step 3: Cross multiply
    45,557.43x = 68,338.58 × 14,390.25
  4. Step 4: Simplify right side
    45,557.43x = 983,409,178.89
  5. Step 5: Solve for x
    x = 983,409,178.89/45,557.43
  6. Step 6: Final answer
    x = 21,586.14

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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.