Home / 65,851.16-98,685.64-57,064.28

Finding the Fourth Proportional to 65,851.16, 98,685.64 and 57,064.28

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Solution

The fourth proportional to 65,851.16, 98,685.64 and 57,064.28 is: 85,517.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,851.16 : 98,685.64 = 57,064.28 : x
  2. Step 2: Convert to fraction form
    65,851.16/98,685.64 = 57,064.28/x
  3. Step 3: Cross multiply
    65,851.16x = 98,685.64 × 57,064.28
  4. Step 4: Simplify right side
    65,851.16x = 5,631,424,992.94
  5. Step 5: Solve for x
    x = 5,631,424,992.94/65,851.16
  6. Step 6: Final answer
    x = 85,517.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.