Home / 86,146.32-118,892.61-48,420.57

Finding the Fourth Proportional to 86,146.32, 118,892.61 and 48,420.57

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Solution

The fourth proportional to 86,146.32, 118,892.61 and 48,420.57 is: 66,826.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,146.32 : 118,892.61 = 48,420.57 : x
  2. Step 2: Convert to fraction form
    86,146.32/118,892.61 = 48,420.57/x
  3. Step 3: Cross multiply
    86,146.32x = 118,892.61 × 48,420.57
  4. Step 4: Simplify right side
    86,146.32x = 5,756,847,944.99
  5. Step 5: Solve for x
    x = 5,756,847,944.99/86,146.32
  6. Step 6: Final answer
    x = 66,826.39

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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.