Home / 55,609.74-83,421.90-29,315.52

Finding the Fourth Proportional to 55,609.74, 83,421.90 and 29,315.52

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Solution

The fourth proportional to 55,609.74, 83,421.90 and 29,315.52 is: 43,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,609.74 : 83,421.90 = 29,315.52 : x
  2. Step 2: Convert to fraction form
    55,609.74/83,421.90 = 29,315.52/x
  3. Step 3: Cross multiply
    55,609.74x = 83,421.90 × 29,315.52
  4. Step 4: Simplify right side
    55,609.74x = 2,445,556,377.89
  5. Step 5: Solve for x
    x = 2,445,556,377.89/55,609.74
  6. Step 6: Final answer
    x = 43,977.12

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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.