Home / 52,860.56-79,290.64-13,417.52

Finding the Fourth Proportional to 52,860.56, 79,290.64 and 13,417.52

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Solution

The fourth proportional to 52,860.56, 79,290.64 and 13,417.52 is: 20,126.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,860.56 : 79,290.64 = 13,417.52 : x
  2. Step 2: Convert to fraction form
    52,860.56/79,290.64 = 13,417.52/x
  3. Step 3: Cross multiply
    52,860.56x = 79,290.64 × 13,417.52
  4. Step 4: Simplify right side
    52,860.56x = 1,063,883,748.01
  5. Step 5: Solve for x
    x = 1,063,883,748.01/52,860.56
  6. Step 6: Final answer
    x = 20,126.23

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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.