Home / 76,236.67-105,205.03-42,244.86

Finding the Fourth Proportional to 76,236.67, 105,205.03 and 42,244.86

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Solution

The fourth proportional to 76,236.67, 105,205.03 and 42,244.86 is: 58,297.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,236.67 : 105,205.03 = 42,244.86 : x
  2. Step 2: Convert to fraction form
    76,236.67/105,205.03 = 42,244.86/x
  3. Step 3: Cross multiply
    76,236.67x = 105,205.03 × 42,244.86
  4. Step 4: Simplify right side
    76,236.67x = 4,444,371,763.65
  5. Step 5: Solve for x
    x = 4,444,371,763.65/76,236.67
  6. Step 6: Final answer
    x = 58,297.03

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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.