Home / 76,607.68-105,675.43-45,972.85

Finding the Fourth Proportional to 76,607.68, 105,675.43 and 45,972.85

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Solution

The fourth proportional to 76,607.68, 105,675.43 and 45,972.85 is: 63,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,607.68 : 105,675.43 = 45,972.85 : x
  2. Step 2: Convert to fraction form
    76,607.68/105,675.43 = 45,972.85/x
  3. Step 3: Cross multiply
    76,607.68x = 105,675.43 × 45,972.85
  4. Step 4: Simplify right side
    76,607.68x = 4,858,200,692.08
  5. Step 5: Solve for x
    x = 4,858,200,692.08/76,607.68
  6. Step 6: Final answer
    x = 63,416.63

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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.