Home / 84,990.44-117,311.53-56,696.06

Finding the Fourth Proportional to 84,990.44, 117,311.53 and 56,696.06

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Solution

The fourth proportional to 84,990.44, 117,311.53 and 56,696.06 is: 78,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,990.44 : 117,311.53 = 56,696.06 : x
  2. Step 2: Convert to fraction form
    84,990.44/117,311.53 = 56,696.06/x
  3. Step 3: Cross multiply
    84,990.44x = 117,311.53 × 56,696.06
  4. Step 4: Simplify right side
    84,990.44x = 6,651,101,695.11
  5. Step 5: Solve for x
    x = 6,651,101,695.11/84,990.44
  6. Step 6: Final answer
    x = 78,257.05

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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.