Home / 45,535.28-68,309.76-14,370.08

Finding the Fourth Proportional to 45,535.28, 68,309.76 and 14,370.08

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Solution

The fourth proportional to 45,535.28, 68,309.76 and 14,370.08 is: 21,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,535.28 : 68,309.76 = 14,370.08 : x
  2. Step 2: Convert to fraction form
    45,535.28/68,309.76 = 14,370.08/x
  3. Step 3: Cross multiply
    45,535.28x = 68,309.76 × 14,370.08
  4. Step 4: Simplify right side
    45,535.28x = 981,616,715.98
  5. Step 5: Solve for x
    x = 981,616,715.98/45,535.28
  6. Step 6: Final answer
    x = 21,557.28

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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.