Home / 82,133.19-122,948.28-52,579.53

Finding the Fourth Proportional to 82,133.19, 122,948.28 and 52,579.53

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Solution

The fourth proportional to 82,133.19, 122,948.28 and 52,579.53 is: 78,708.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,133.19 : 122,948.28 = 52,579.53 : x
  2. Step 2: Convert to fraction form
    82,133.19/122,948.28 = 52,579.53/x
  3. Step 3: Cross multiply
    82,133.19x = 122,948.28 × 52,579.53
  4. Step 4: Simplify right side
    82,133.19x = 6,464,562,776.71
  5. Step 5: Solve for x
    x = 6,464,562,776.71/82,133.19
  6. Step 6: Final answer
    x = 78,708.29

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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.