Home / 85,266.22-117,598.03-75,035.16

Finding the Fourth Proportional to 85,266.22, 117,598.03 and 75,035.16

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Solution

The fourth proportional to 85,266.22, 117,598.03 and 75,035.16 is: 103,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,266.22 : 117,598.03 = 75,035.16 : x
  2. Step 2: Convert to fraction form
    85,266.22/117,598.03 = 75,035.16/x
  3. Step 3: Cross multiply
    85,266.22x = 117,598.03 × 75,035.16
  4. Step 4: Simplify right side
    85,266.22x = 8,823,986,809.15
  5. Step 5: Solve for x
    x = 8,823,986,809.15/85,266.22
  6. Step 6: Final answer
    x = 103,487.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.