Home / 84,805.05-117,017.32-48,999.81

Finding the Fourth Proportional to 84,805.05, 117,017.32 and 48,999.81

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Solution

The fourth proportional to 84,805.05, 117,017.32 and 48,999.81 is: 67,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,805.05 : 117,017.32 = 48,999.81 : x
  2. Step 2: Convert to fraction form
    84,805.05/117,017.32 = 48,999.81/x
  3. Step 3: Cross multiply
    84,805.05x = 117,017.32 × 48,999.81
  4. Step 4: Simplify right side
    84,805.05x = 5,733,826,446.71
  5. Step 5: Solve for x
    x = 5,733,826,446.71/84,805.05
  6. Step 6: Final answer
    x = 67,611.85

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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.