Home / 58,508.13-87,779.22-21,067.50

Finding the Fourth Proportional to 58,508.13, 87,779.22 and 21,067.50

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Solution

The fourth proportional to 58,508.13, 87,779.22 and 21,067.50 is: 31,607.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,508.13 : 87,779.22 = 21,067.50 : x
  2. Step 2: Convert to fraction form
    58,508.13/87,779.22 = 21,067.50/x
  3. Step 3: Cross multiply
    58,508.13x = 87,779.22 × 21,067.50
  4. Step 4: Simplify right side
    58,508.13x = 1,849,288,717.35
  5. Step 5: Solve for x
    x = 1,849,288,717.35/58,508.13
  6. Step 6: Final answer
    x = 31,607.38

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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.