Home / 82,197.78-123,296.70-26,038.08

Finding the Fourth Proportional to 82,197.78, 123,296.70 and 26,038.08

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Solution

The fourth proportional to 82,197.78, 123,296.70 and 26,038.08 is: 39,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,197.78 : 123,296.70 = 26,038.08 : x
  2. Step 2: Convert to fraction form
    82,197.78/123,296.70 = 26,038.08/x
  3. Step 3: Cross multiply
    82,197.78x = 123,296.70 × 26,038.08
  4. Step 4: Simplify right side
    82,197.78x = 3,210,409,338.34
  5. Step 5: Solve for x
    x = 3,210,409,338.34/82,197.78
  6. Step 6: Final answer
    x = 39,057.13

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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.