Home / 82,761.66-124,204.08-40,664.34

Finding the Fourth Proportional to 82,761.66, 124,204.08 and 40,664.34

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Solution

The fourth proportional to 82,761.66, 124,204.08 and 40,664.34 is: 61,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,761.66 : 124,204.08 = 40,664.34 : x
  2. Step 2: Convert to fraction form
    82,761.66/124,204.08 = 40,664.34/x
  3. Step 3: Cross multiply
    82,761.66x = 124,204.08 × 40,664.34
  4. Step 4: Simplify right side
    82,761.66x = 5,050,676,938.51
  5. Step 5: Solve for x
    x = 5,050,676,938.51/82,761.66
  6. Step 6: Final answer
    x = 61,026.77

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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.