Home / 56,779.79-85,177.91-17,331.77

Finding the Fourth Proportional to 56,779.79, 85,177.91 and 17,331.77

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Solution

The fourth proportional to 56,779.79, 85,177.91 and 17,331.77 is: 26,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,779.79 : 85,177.91 = 17,331.77 : x
  2. Step 2: Convert to fraction form
    56,779.79/85,177.91 = 17,331.77/x
  3. Step 3: Cross multiply
    56,779.79x = 85,177.91 × 17,331.77
  4. Step 4: Simplify right side
    56,779.79x = 1,476,284,201.47
  5. Step 5: Solve for x
    x = 1,476,284,201.47/56,779.79
  6. Step 6: Final answer
    x = 26,000.17

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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.