Home / 55,110.16-82,623.63-28,427.55

Finding the Fourth Proportional to 55,110.16, 82,623.63 and 28,427.55

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Solution

The fourth proportional to 55,110.16, 82,623.63 and 28,427.55 is: 42,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,110.16 : 82,623.63 = 28,427.55 : x
  2. Step 2: Convert to fraction form
    55,110.16/82,623.63 = 28,427.55/x
  3. Step 3: Cross multiply
    55,110.16x = 82,623.63 × 28,427.55
  4. Step 4: Simplify right side
    55,110.16x = 2,348,787,373.01
  5. Step 5: Solve for x
    x = 2,348,787,373.01/55,110.16
  6. Step 6: Final answer
    x = 42,619.86

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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.