Home / 55,730.70-83,595.74-13,611.02

Finding the Fourth Proportional to 55,730.70, 83,595.74 and 13,611.02

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Solution

The fourth proportional to 55,730.70, 83,595.74 and 13,611.02 is: 20,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,730.70 : 83,595.74 = 13,611.02 : x
  2. Step 2: Convert to fraction form
    55,730.70/83,595.74 = 13,611.02/x
  3. Step 3: Cross multiply
    55,730.70x = 83,595.74 × 13,611.02
  4. Step 4: Simplify right side
    55,730.70x = 1,137,823,289.05
  5. Step 5: Solve for x
    x = 1,137,823,289.05/55,730.70
  6. Step 6: Final answer
    x = 20,416.45

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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.