Home / 108,403.98-149,561.16-63,072.26

Finding the Fourth Proportional to 108,403.98, 149,561.16 and 63,072.26

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Solution

The fourth proportional to 108,403.98, 149,561.16 and 63,072.26 is: 87,018.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,403.98 : 149,561.16 = 63,072.26 : x
  2. Step 2: Convert to fraction form
    108,403.98/149,561.16 = 63,072.26/x
  3. Step 3: Cross multiply
    108,403.98x = 149,561.16 × 63,072.26
  4. Step 4: Simplify right side
    108,403.98x = 9,433,159,621.62
  5. Step 5: Solve for x
    x = 9,433,159,621.62/108,403.98
  6. Step 6: Final answer
    x = 87,018.57

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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.