Home / 53,261.26-79,885.98-19,065.68

Finding the Fourth Proportional to 53,261.26, 79,885.98 and 19,065.68

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Solution

The fourth proportional to 53,261.26, 79,885.98 and 19,065.68 is: 28,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,261.26 : 79,885.98 = 19,065.68 : x
  2. Step 2: Convert to fraction form
    53,261.26/79,885.98 = 19,065.68/x
  3. Step 3: Cross multiply
    53,261.26x = 79,885.98 × 19,065.68
  4. Step 4: Simplify right side
    53,261.26x = 1,523,080,484.93
  5. Step 5: Solve for x
    x = 1,523,080,484.93/53,261.26
  6. Step 6: Final answer
    x = 28,596.40

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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.