Home / 85,919.37-118,567.28-48,192.81

Finding the Fourth Proportional to 85,919.37, 118,567.28 and 48,192.81

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Solution

The fourth proportional to 85,919.37, 118,567.28 and 48,192.81 is: 66,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,919.37 : 118,567.28 = 48,192.81 : x
  2. Step 2: Convert to fraction form
    85,919.37/118,567.28 = 48,192.81/x
  3. Step 3: Cross multiply
    85,919.37x = 118,567.28 × 48,192.81
  4. Step 4: Simplify right side
    85,919.37x = 5,714,090,156.29
  5. Step 5: Solve for x
    x = 5,714,090,156.29/85,919.37
  6. Step 6: Final answer
    x = 66,505.26

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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.