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Finding the Fourth Proportional to 61,762.28, 92,376.30 and 36,401.48

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Solution

The fourth proportional to 61,762.28, 92,376.30 and 36,401.48 is: 54,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,762.28 : 92,376.30 = 36,401.48 : x
  2. Step 2: Convert to fraction form
    61,762.28/92,376.30 = 36,401.48/x
  3. Step 3: Cross multiply
    61,762.28x = 92,376.30 × 36,401.48
  4. Step 4: Simplify right side
    61,762.28x = 3,362,634,036.92
  5. Step 5: Solve for x
    x = 3,362,634,036.92/61,762.28
  6. Step 6: Final answer
    x = 54,444.78

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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.