Home / 82,816.76-114,172.29-55,916.66

Finding the Fourth Proportional to 82,816.76, 114,172.29 and 55,916.66

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Solution

The fourth proportional to 82,816.76, 114,172.29 and 55,916.66 is: 77,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,816.76 : 114,172.29 = 55,916.66 : x
  2. Step 2: Convert to fraction form
    82,816.76/114,172.29 = 55,916.66/x
  3. Step 3: Cross multiply
    82,816.76x = 114,172.29 × 55,916.66
  4. Step 4: Simplify right side
    82,816.76x = 6,384,133,121.35
  5. Step 5: Solve for x
    x = 6,384,133,121.35/82,816.76
  6. Step 6: Final answer
    x = 77,087.45

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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.