Home / 82,345.32-123,444.09-29,742.48

Finding the Fourth Proportional to 82,345.32, 123,444.09 and 29,742.48

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Solution

The fourth proportional to 82,345.32, 123,444.09 and 29,742.48 is: 44,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,345.32 : 123,444.09 = 29,742.48 : x
  2. Step 2: Convert to fraction form
    82,345.32/123,444.09 = 29,742.48/x
  3. Step 3: Cross multiply
    82,345.32x = 123,444.09 × 29,742.48
  4. Step 4: Simplify right side
    82,345.32x = 3,671,533,377.94
  5. Step 5: Solve for x
    x = 3,671,533,377.94/82,345.32
  6. Step 6: Final answer
    x = 44,587.03

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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.