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Finding the Fourth Proportional to 61,364.88, 91,981.04 and 29,708.06

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Solution

The fourth proportional to 61,364.88, 91,981.04 and 29,708.06 is: 44,529.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,364.88 : 91,981.04 = 29,708.06 : x
  2. Step 2: Convert to fraction form
    61,364.88/91,981.04 = 29,708.06/x
  3. Step 3: Cross multiply
    61,364.88x = 91,981.04 × 29,708.06
  4. Step 4: Simplify right side
    61,364.88x = 2,732,577,646.74
  5. Step 5: Solve for x
    x = 2,732,577,646.74/61,364.88
  6. Step 6: Final answer
    x = 44,529.99

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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.