Home / 85,571.16-118,094.52-49,278.90

Finding the Fourth Proportional to 85,571.16, 118,094.52 and 49,278.90

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Solution

The fourth proportional to 85,571.16, 118,094.52 and 49,278.90 is: 68,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,571.16 : 118,094.52 = 49,278.90 : x
  2. Step 2: Convert to fraction form
    85,571.16/118,094.52 = 49,278.90/x
  3. Step 3: Cross multiply
    85,571.16x = 118,094.52 × 49,278.90
  4. Step 4: Simplify right side
    85,571.16x = 5,819,568,041.63
  5. Step 5: Solve for x
    x = 5,819,568,041.63/85,571.16
  6. Step 6: Final answer
    x = 68,008.52

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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.