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Finding the Fourth Proportional to 61,653.56, 85,081.73 and 34,795.98

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Solution

The fourth proportional to 61,653.56, 85,081.73 and 34,795.98 is: 48,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,653.56 : 85,081.73 = 34,795.98 : x
  2. Step 2: Convert to fraction form
    61,653.56/85,081.73 = 34,795.98/x
  3. Step 3: Cross multiply
    61,653.56x = 85,081.73 × 34,795.98
  4. Step 4: Simplify right side
    61,653.56x = 2,960,502,001.47
  5. Step 5: Solve for x
    x = 2,960,502,001.47/61,653.56
  6. Step 6: Final answer
    x = 48,018.35

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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.