Home / 57,890.03-86,829.17-39,289.59

Finding the Fourth Proportional to 57,890.03, 86,829.17 and 39,289.59

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Solution

The fourth proportional to 57,890.03, 86,829.17 and 39,289.59 is: 58,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,890.03 : 86,829.17 = 39,289.59 : x
  2. Step 2: Convert to fraction form
    57,890.03/86,829.17 = 39,289.59/x
  3. Step 3: Cross multiply
    57,890.03x = 86,829.17 × 39,289.59
  4. Step 4: Simplify right side
    57,890.03x = 3,411,482,292.89
  5. Step 5: Solve for x
    x = 3,411,482,292.89/57,890.03
  6. Step 6: Final answer
    x = 58,930.40

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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.