Home / 68,457.06-102,451.95-57,376.26

Finding the Fourth Proportional to 68,457.06, 102,451.95 and 57,376.26

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Solution

The fourth proportional to 68,457.06, 102,451.95 and 57,376.26 is: 85,868.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,457.06 : 102,451.95 = 57,376.26 : x
  2. Step 2: Convert to fraction form
    68,457.06/102,451.95 = 57,376.26/x
  3. Step 3: Cross multiply
    68,457.06x = 102,451.95 × 57,376.26
  4. Step 4: Simplify right side
    68,457.06x = 5,878,309,720.71
  5. Step 5: Solve for x
    x = 5,878,309,720.71/68,457.06
  6. Step 6: Final answer
    x = 85,868.57

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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.