Home / 55,116.60-82,529.10-43,355.40

Finding the Fourth Proportional to 55,116.60, 82,529.10 and 43,355.40

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Solution

The fourth proportional to 55,116.60, 82,529.10 and 43,355.40 is: 64,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,116.60 : 82,529.10 = 43,355.40 : x
  2. Step 2: Convert to fraction form
    55,116.60/82,529.10 = 43,355.40/x
  3. Step 3: Cross multiply
    55,116.60x = 82,529.10 × 43,355.40
  4. Step 4: Simplify right side
    55,116.60x = 3,578,082,142.14
  5. Step 5: Solve for x
    x = 3,578,082,142.14/55,116.60
  6. Step 6: Final answer
    x = 64,918.41

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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.