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Finding the Fourth Proportional to 64,755.88, 97,108.26 and 31,466.08

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Solution

The fourth proportional to 64,755.88, 97,108.26 and 31,466.08 is: 47,186.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,755.88 : 97,108.26 = 31,466.08 : x
  2. Step 2: Convert to fraction form
    64,755.88/97,108.26 = 31,466.08/x
  3. Step 3: Cross multiply
    64,755.88x = 97,108.26 × 31,466.08
  4. Step 4: Simplify right side
    64,755.88x = 3,055,616,277.82
  5. Step 5: Solve for x
    x = 3,055,616,277.82/64,755.88
  6. Step 6: Final answer
    x = 47,186.70

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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.