Home / 76,559.85-105,652.89-42,571.44

Finding the Fourth Proportional to 76,559.85, 105,652.89 and 42,571.44

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Solution

The fourth proportional to 76,559.85, 105,652.89 and 42,571.44 is: 58,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,559.85 : 105,652.89 = 42,571.44 : x
  2. Step 2: Convert to fraction form
    76,559.85/105,652.89 = 42,571.44/x
  3. Step 3: Cross multiply
    76,559.85x = 105,652.89 × 42,571.44
  4. Step 4: Simplify right side
    76,559.85x = 4,497,795,667.46
  5. Step 5: Solve for x
    x = 4,497,795,667.46/76,559.85
  6. Step 6: Final answer
    x = 58,748.75

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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.