Home / 52,391.21-78,590.45-17,355.47

Finding the Fourth Proportional to 52,391.21, 78,590.45 and 17,355.47

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Solution

The fourth proportional to 52,391.21, 78,590.45 and 17,355.47 is: 26,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,391.21 : 78,590.45 = 17,355.47 : x
  2. Step 2: Convert to fraction form
    52,391.21/78,590.45 = 17,355.47/x
  3. Step 3: Cross multiply
    52,391.21x = 78,590.45 × 17,355.47
  4. Step 4: Simplify right side
    52,391.21x = 1,363,973,847.70
  5. Step 5: Solve for x
    x = 1,363,973,847.70/52,391.21
  6. Step 6: Final answer
    x = 26,034.40

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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.