Home / 82,455.84-123,683.76-29,853.12

Finding the Fourth Proportional to 82,455.84, 123,683.76 and 29,853.12

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Solution

The fourth proportional to 82,455.84, 123,683.76 and 29,853.12 is: 44,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,455.84 : 123,683.76 = 29,853.12 : x
  2. Step 2: Convert to fraction form
    82,455.84/123,683.76 = 29,853.12/x
  3. Step 3: Cross multiply
    82,455.84x = 123,683.76 × 29,853.12
  4. Step 4: Simplify right side
    82,455.84x = 3,692,346,129.33
  5. Step 5: Solve for x
    x = 3,692,346,129.33/82,455.84
  6. Step 6: Final answer
    x = 44,779.68

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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.