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Finding the Fourth Proportional to 61,263.83, 84,548.57 and 34,407.92

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Solution

The fourth proportional to 61,263.83, 84,548.57 and 34,407.92 is: 47,485.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,263.83 : 84,548.57 = 34,407.92 : x
  2. Step 2: Convert to fraction form
    61,263.83/84,548.57 = 34,407.92/x
  3. Step 3: Cross multiply
    61,263.83x = 84,548.57 × 34,407.92
  4. Step 4: Simplify right side
    61,263.83x = 2,909,139,837.89
  5. Step 5: Solve for x
    x = 2,909,139,837.89/61,263.83
  6. Step 6: Final answer
    x = 47,485.44

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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.