Home / 43,394.10-65,128.13-17,117.29

Finding the Fourth Proportional to 43,394.10, 65,128.13 and 17,117.29

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Solution

The fourth proportional to 43,394.10, 65,128.13 and 17,117.29 is: 25,690.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,394.10 : 65,128.13 = 17,117.29 : x
  2. Step 2: Convert to fraction form
    43,394.10/65,128.13 = 17,117.29/x
  3. Step 3: Cross multiply
    43,394.10x = 65,128.13 × 17,117.29
  4. Step 4: Simplify right side
    43,394.10x = 1,114,817,088.37
  5. Step 5: Solve for x
    x = 1,114,817,088.37/43,394.10
  6. Step 6: Final answer
    x = 25,690.52

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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.