Home / 35,135.40-52,699.16-8,840.12

Finding the Fourth Proportional to 35,135.40, 52,699.16 and 8,840.12

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Solution

The fourth proportional to 35,135.40, 52,699.16 and 8,840.12 is: 13,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,135.40 : 52,699.16 = 8,840.12 : x
  2. Step 2: Convert to fraction form
    35,135.40/52,699.16 = 8,840.12/x
  3. Step 3: Cross multiply
    35,135.40x = 52,699.16 × 8,840.12
  4. Step 4: Simplify right side
    35,135.40x = 465,866,898.30
  5. Step 5: Solve for x
    x = 465,866,898.30/35,135.40
  6. Step 6: Final answer
    x = 13,259.19

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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.