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Finding the Fourth Proportional to 61,549.98, 84,937.95 and 34,692.54

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Solution

The fourth proportional to 61,549.98, 84,937.95 and 34,692.54 is: 47,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,549.98 : 84,937.95 = 34,692.54 : x
  2. Step 2: Convert to fraction form
    61,549.98/84,937.95 = 34,692.54/x
  3. Step 3: Cross multiply
    61,549.98x = 84,937.95 × 34,692.54
  4. Step 4: Simplify right side
    61,549.98x = 2,946,713,227.89
  5. Step 5: Solve for x
    x = 2,946,713,227.89/61,549.98
  6. Step 6: Final answer
    x = 47,875.13

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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.