Home / 85,772.36-118,371.30-48,052.28

Finding the Fourth Proportional to 85,772.36, 118,371.30 and 48,052.28

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Solution

The fourth proportional to 85,772.36, 118,371.30 and 48,052.28 is: 66,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,772.36 : 118,371.30 = 48,052.28 : x
  2. Step 2: Convert to fraction form
    85,772.36/118,371.30 = 48,052.28/x
  3. Step 3: Cross multiply
    85,772.36x = 118,371.30 × 48,052.28
  4. Step 4: Simplify right side
    85,772.36x = 5,688,010,851.56
  5. Step 5: Solve for x
    x = 5,688,010,851.56/85,772.36
  6. Step 6: Final answer
    x = 66,315.20

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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.