Home / 57,929.40-87,023.70-55,567.80

Finding the Fourth Proportional to 57,929.40, 87,023.70 and 55,567.80

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Solution

The fourth proportional to 57,929.40, 87,023.70 and 55,567.80 is: 83,476.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,929.40 : 87,023.70 = 55,567.80 : x
  2. Step 2: Convert to fraction form
    57,929.40/87,023.70 = 55,567.80/x
  3. Step 3: Cross multiply
    57,929.40x = 87,023.70 × 55,567.80
  4. Step 4: Simplify right side
    57,929.40x = 4,835,715,556.86
  5. Step 5: Solve for x
    x = 4,835,715,556.86/57,929.40
  6. Step 6: Final answer
    x = 83,476.02

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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.