Home / 55,170.08-82,705.90-45,886.26

Finding the Fourth Proportional to 55,170.08, 82,705.90 and 45,886.26

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Solution

The fourth proportional to 55,170.08, 82,705.90 and 45,886.26 is: 68,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,170.08 : 82,705.90 = 45,886.26 : x
  2. Step 2: Convert to fraction form
    55,170.08/82,705.90 = 45,886.26/x
  3. Step 3: Cross multiply
    55,170.08x = 82,705.90 × 45,886.26
  4. Step 4: Simplify right side
    55,170.08x = 3,795,064,430.93
  5. Step 5: Solve for x
    x = 3,795,064,430.93/55,170.08
  6. Step 6: Final answer
    x = 68,788.45

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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.