Home / 57,719.40-86,590.26-22,178.04

Finding the Fourth Proportional to 57,719.40, 86,590.26 and 22,178.04

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Solution

The fourth proportional to 57,719.40, 86,590.26 and 22,178.04 is: 33,271.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,719.40 : 86,590.26 = 22,178.04 : x
  2. Step 2: Convert to fraction form
    57,719.40/86,590.26 = 22,178.04/x
  3. Step 3: Cross multiply
    57,719.40x = 86,590.26 × 22,178.04
  4. Step 4: Simplify right side
    57,719.40x = 1,920,402,249.89
  5. Step 5: Solve for x
    x = 1,920,402,249.89/57,719.40
  6. Step 6: Final answer
    x = 33,271.35

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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.