Home / 82,014.73-122,979.53-37,603.24

Finding the Fourth Proportional to 82,014.73, 122,979.53 and 37,603.24

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Solution

The fourth proportional to 82,014.73, 122,979.53 and 37,603.24 is: 56,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,014.73 : 122,979.53 = 37,603.24 : x
  2. Step 2: Convert to fraction form
    82,014.73/122,979.53 = 37,603.24/x
  3. Step 3: Cross multiply
    82,014.73x = 122,979.53 × 37,603.24
  4. Step 4: Simplify right side
    82,014.73x = 4,624,428,568.24
  5. Step 5: Solve for x
    x = 4,624,428,568.24/82,014.73
  6. Step 6: Final answer
    x = 56,385.34

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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.