Home / 82,955.48-124,433.07-66,237.17

Finding the Fourth Proportional to 82,955.48, 124,433.07 and 66,237.17

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Solution

The fourth proportional to 82,955.48, 124,433.07 and 66,237.17 is: 99,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,955.48 : 124,433.07 = 66,237.17 : x
  2. Step 2: Convert to fraction form
    82,955.48/124,433.07 = 66,237.17/x
  3. Step 3: Cross multiply
    82,955.48x = 124,433.07 × 66,237.17
  4. Step 4: Simplify right side
    82,955.48x = 8,242,093,789.05
  5. Step 5: Solve for x
    x = 8,242,093,789.05/82,955.48
  6. Step 6: Final answer
    x = 99,355.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.