Home / 85,296.24-117,670.76-49,465.50

Finding the Fourth Proportional to 85,296.24, 117,670.76 and 49,465.50

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Solution

The fourth proportional to 85,296.24, 117,670.76 and 49,465.50 is: 68,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,296.24 : 117,670.76 = 49,465.50 : x
  2. Step 2: Convert to fraction form
    85,296.24/117,670.76 = 49,465.50/x
  3. Step 3: Cross multiply
    85,296.24x = 117,670.76 × 49,465.50
  4. Step 4: Simplify right side
    85,296.24x = 5,820,642,731.45
  5. Step 5: Solve for x
    x = 5,820,642,731.45/85,296.24
  6. Step 6: Final answer
    x = 68,240.32

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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.