Home / 76,129.34-105,057.95-43,852.19

Finding the Fourth Proportional to 76,129.34, 105,057.95 and 43,852.19

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Solution

The fourth proportional to 76,129.34, 105,057.95 and 43,852.19 is: 60,515.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,129.34 : 105,057.95 = 43,852.19 : x
  2. Step 2: Convert to fraction form
    76,129.34/105,057.95 = 43,852.19/x
  3. Step 3: Cross multiply
    76,129.34x = 105,057.95 × 43,852.19
  4. Step 4: Simplify right side
    76,129.34x = 4,607,020,439.86
  5. Step 5: Solve for x
    x = 4,607,020,439.86/76,129.34
  6. Step 6: Final answer
    x = 60,515.71

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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.