Home / 55,541.10-76,646.40-51,022.50

Finding the Fourth Proportional to 55,541.10, 76,646.40 and 51,022.50

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Solution

The fourth proportional to 55,541.10, 76,646.40 and 51,022.50 is: 70,410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,541.10 : 76,646.40 = 51,022.50 : x
  2. Step 2: Convert to fraction form
    55,541.10/76,646.40 = 51,022.50/x
  3. Step 3: Cross multiply
    55,541.10x = 76,646.40 × 51,022.50
  4. Step 4: Simplify right side
    55,541.10x = 3,910,690,944.00
  5. Step 5: Solve for x
    x = 3,910,690,944.00/55,541.10
  6. Step 6: Final answer
    x = 70,410.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.