Home / 52,899.90-79,348.64-13,457.06

Finding the Fourth Proportional to 52,899.90, 79,348.64 and 13,457.06

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Solution

The fourth proportional to 52,899.90, 79,348.64 and 13,457.06 is: 20,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,899.90 : 79,348.64 = 13,457.06 : x
  2. Step 2: Convert to fraction form
    52,899.90/79,348.64 = 13,457.06/x
  3. Step 3: Cross multiply
    52,899.90x = 79,348.64 × 13,457.06
  4. Step 4: Simplify right side
    52,899.90x = 1,067,799,409.40
  5. Step 5: Solve for x
    x = 1,067,799,409.40/52,899.90
  6. Step 6: Final answer
    x = 20,185.28

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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.