Home / 55,713.45-83,570.36-14,160.45

Finding the Fourth Proportional to 55,713.45, 83,570.36 and 14,160.45

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Solution

The fourth proportional to 55,713.45, 83,570.36 and 14,160.45 is: 21,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,713.45 : 83,570.36 = 14,160.45 : x
  2. Step 2: Convert to fraction form
    55,713.45/83,570.36 = 14,160.45/x
  3. Step 3: Cross multiply
    55,713.45x = 83,570.36 × 14,160.45
  4. Step 4: Simplify right side
    55,713.45x = 1,183,393,833.46
  5. Step 5: Solve for x
    x = 1,183,393,833.46/55,713.45
  6. Step 6: Final answer
    x = 21,240.72

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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.