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Finding the Fourth Proportional to 61,759.63, 85,226.07 and 34,901.55

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Solution

The fourth proportional to 61,759.63, 85,226.07 and 34,901.55 is: 48,162.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,759.63 : 85,226.07 = 34,901.55 : x
  2. Step 2: Convert to fraction form
    61,759.63/85,226.07 = 34,901.55/x
  3. Step 3: Cross multiply
    61,759.63x = 85,226.07 × 34,901.55
  4. Step 4: Simplify right side
    61,759.63x = 2,974,521,943.41
  5. Step 5: Solve for x
    x = 2,974,521,943.41/61,759.63
  6. Step 6: Final answer
    x = 48,162.89

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1.5x scale

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.