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Finding the Fourth Proportional to 88,670.98, 132,931.62 and 41,261.56

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Solution

The fourth proportional to 88,670.98, 132,931.62 and 41,261.56 is: 61,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,670.98 : 132,931.62 = 41,261.56 : x
  2. Step 2: Convert to fraction form
    88,670.98/132,931.62 = 41,261.56/x
  3. Step 3: Cross multiply
    88,670.98x = 132,931.62 × 41,261.56
  4. Step 4: Simplify right side
    88,670.98x = 5,484,966,014.53
  5. Step 5: Solve for x
    x = 5,484,966,014.53/88,670.98
  6. Step 6: Final answer
    x = 61,857.51

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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.