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Finding the Fourth Proportional to 76,012.35, 113,870.88 and 36,597.12

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Solution

The fourth proportional to 76,012.35, 113,870.88 and 36,597.12 is: 54,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,012.35 : 113,870.88 = 36,597.12 : x
  2. Step 2: Convert to fraction form
    76,012.35/113,870.88 = 36,597.12/x
  3. Step 3: Cross multiply
    76,012.35x = 113,870.88 × 36,597.12
  4. Step 4: Simplify right side
    76,012.35x = 4,167,346,259.87
  5. Step 5: Solve for x
    x = 4,167,346,259.87/76,012.35
  6. Step 6: Final answer
    x = 54,824.59

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1.5x scale

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.