Home / 85,522.29-117,943.83-55,275.81

Finding the Fourth Proportional to 85,522.29, 117,943.83 and 55,275.81

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Solution

The fourth proportional to 85,522.29, 117,943.83 and 55,275.81 is: 76,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,522.29 : 117,943.83 = 55,275.81 : x
  2. Step 2: Convert to fraction form
    85,522.29/117,943.83 = 55,275.81/x
  3. Step 3: Cross multiply
    85,522.29x = 117,943.83 × 55,275.81
  4. Step 4: Simplify right side
    85,522.29x = 6,519,440,737.75
  5. Step 5: Solve for x
    x = 6,519,440,737.75/85,522.29
  6. Step 6: Final answer
    x = 76,230.90

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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.