Home / 53,290.85-79,961.20-23,301.20

Finding the Fourth Proportional to 53,290.85, 79,961.20 and 23,301.20

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Solution

The fourth proportional to 53,290.85, 79,961.20 and 23,301.20 is: 34,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,290.85 : 79,961.20 = 23,301.20 : x
  2. Step 2: Convert to fraction form
    53,290.85/79,961.20 = 23,301.20/x
  3. Step 3: Cross multiply
    53,290.85x = 79,961.20 × 23,301.20
  4. Step 4: Simplify right side
    53,290.85x = 1,863,191,796.93
  5. Step 5: Solve for x
    x = 1,863,191,796.93/53,290.85
  6. Step 6: Final answer
    x = 34,962.70

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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.