Home / 76,282.35-105,247.92-44,445.09

Finding the Fourth Proportional to 76,282.35, 105,247.92 and 44,445.09

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Solution

The fourth proportional to 76,282.35, 105,247.92 and 44,445.09 is: 61,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,282.35 : 105,247.92 = 44,445.09 : x
  2. Step 2: Convert to fraction form
    76,282.35/105,247.92 = 44,445.09/x
  3. Step 3: Cross multiply
    76,282.35x = 105,247.92 × 44,445.09
  4. Step 4: Simplify right side
    76,282.35x = 4,677,753,276.71
  5. Step 5: Solve for x
    x = 4,677,753,276.71/76,282.35
  6. Step 6: Final answer
    x = 61,321.57

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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.