Home / 86,618.86-119,533.51-48,377.95

Finding the Fourth Proportional to 86,618.86, 119,533.51 and 48,377.95

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Solution

The fourth proportional to 86,618.86, 119,533.51 and 48,377.95 is: 66,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,618.86 : 119,533.51 = 48,377.95 : x
  2. Step 2: Convert to fraction form
    86,618.86/119,533.51 = 48,377.95/x
  3. Step 3: Cross multiply
    86,618.86x = 119,533.51 × 48,377.95
  4. Step 4: Simplify right side
    86,618.86x = 5,782,786,170.10
  5. Step 5: Solve for x
    x = 5,782,786,170.10/86,618.86
  6. Step 6: Final answer
    x = 66,761.28

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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.