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Finding the Fourth Proportional to 81,502.34, 112,473.15 and 45,692.36

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Solution

The fourth proportional to 81,502.34, 112,473.15 and 45,692.36 is: 63,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,502.34 : 112,473.15 = 45,692.36 : x
  2. Step 2: Convert to fraction form
    81,502.34/112,473.15 = 45,692.36/x
  3. Step 3: Cross multiply
    81,502.34x = 112,473.15 × 45,692.36
  4. Step 4: Simplify right side
    81,502.34x = 5,139,163,097.77
  5. Step 5: Solve for x
    x = 5,139,163,097.77/81,502.34
  6. Step 6: Final answer
    x = 63,055.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.