Home / 108,495.09-149,724.76-62,553.81

Finding the Fourth Proportional to 108,495.09, 149,724.76 and 62,553.81

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Solution

The fourth proportional to 108,495.09, 149,724.76 and 62,553.81 is: 86,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,495.09 : 149,724.76 = 62,553.81 : x
  2. Step 2: Convert to fraction form
    108,495.09/149,724.76 = 62,553.81/x
  3. Step 3: Cross multiply
    108,495.09x = 149,724.76 × 62,553.81
  4. Step 4: Simplify right side
    108,495.09x = 9,365,854,189.34
  5. Step 5: Solve for x
    x = 9,365,854,189.34/108,495.09
  6. Step 6: Final answer
    x = 86,325.15

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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.