Home / 82,881.11-124,320.74-49,610.46

Finding the Fourth Proportional to 82,881.11, 124,320.74 and 49,610.46

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Solution

The fourth proportional to 82,881.11, 124,320.74 and 49,610.46 is: 74,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,881.11 : 124,320.74 = 49,610.46 : x
  2. Step 2: Convert to fraction form
    82,881.11/124,320.74 = 49,610.46/x
  3. Step 3: Cross multiply
    82,881.11x = 124,320.74 × 49,610.46
  4. Step 4: Simplify right side
    82,881.11x = 6,167,608,477.34
  5. Step 5: Solve for x
    x = 6,167,608,477.34/82,881.11
  6. Step 6: Final answer
    x = 74,415.13

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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.