Home / 85,162.06-117,522.12-47,435.50

Finding the Fourth Proportional to 85,162.06, 117,522.12 and 47,435.50

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Solution

The fourth proportional to 85,162.06, 117,522.12 and 47,435.50 is: 65,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,162.06 : 117,522.12 = 47,435.50 : x
  2. Step 2: Convert to fraction form
    85,162.06/117,522.12 = 47,435.50/x
  3. Step 3: Cross multiply
    85,162.06x = 117,522.12 × 47,435.50
  4. Step 4: Simplify right side
    85,162.06x = 5,574,720,523.26
  5. Step 5: Solve for x
    x = 5,574,720,523.26/85,162.06
  6. Step 6: Final answer
    x = 65,460.14

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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.