Home / 82,685.17-124,027.29-30,094.66

Finding the Fourth Proportional to 82,685.17, 124,027.29 and 30,094.66

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Solution

The fourth proportional to 82,685.17, 124,027.29 and 30,094.66 is: 45,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,685.17 : 124,027.29 = 30,094.66 : x
  2. Step 2: Convert to fraction form
    82,685.17/124,027.29 = 30,094.66/x
  3. Step 3: Cross multiply
    82,685.17x = 124,027.29 × 30,094.66
  4. Step 4: Simplify right side
    82,685.17x = 3,732,558,503.13
  5. Step 5: Solve for x
    x = 3,732,558,503.13/82,685.17
  6. Step 6: Final answer
    x = 45,141.81

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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.