Home / 77,330.28-106,716.12-45,084

Finding the Fourth Proportional to 77,330.28, 106,716.12 and 45,084

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Solution

The fourth proportional to 77,330.28, 106,716.12 and 45,084 is: 62,216.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,330.28 : 106,716.12 = 45,084 : x
  2. Step 2: Convert to fraction form
    77,330.28/106,716.12 = 45,084/x
  3. Step 3: Cross multiply
    77,330.28x = 106,716.12 × 45,084
  4. Step 4: Simplify right side
    77,330.28x = 4,811,189,554.08
  5. Step 5: Solve for x
    x = 4,811,189,554.08/77,330.28
  6. Step 6: Final answer
    x = 62,216.11

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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.