Home / 45,628.91-68,443.53-14,038.75

Finding the Fourth Proportional to 45,628.91, 68,443.53 and 14,038.75

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Solution

The fourth proportional to 45,628.91, 68,443.53 and 14,038.75 is: 21,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,628.91 : 68,443.53 = 14,038.75 : x
  2. Step 2: Convert to fraction form
    45,628.91/68,443.53 = 14,038.75/x
  3. Step 3: Cross multiply
    45,628.91x = 68,443.53 × 14,038.75
  4. Step 4: Simplify right side
    45,628.91x = 960,861,606.79
  5. Step 5: Solve for x
    x = 960,861,606.79/45,628.91
  6. Step 6: Final answer
    x = 21,058.18

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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.