Home / 57,400.22-86,103.98-15,279.62

Finding the Fourth Proportional to 57,400.22, 86,103.98 and 15,279.62

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Solution

The fourth proportional to 57,400.22, 86,103.98 and 15,279.62 is: 22,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,400.22 : 86,103.98 = 15,279.62 : x
  2. Step 2: Convert to fraction form
    57,400.22/86,103.98 = 15,279.62/x
  3. Step 3: Cross multiply
    57,400.22x = 86,103.98 × 15,279.62
  4. Step 4: Simplify right side
    57,400.22x = 1,315,636,094.89
  5. Step 5: Solve for x
    x = 1,315,636,094.89/57,400.22
  6. Step 6: Final answer
    x = 22,920.40

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1.5x scale

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.