Home / 82,948.10-124,422.15-62,212.10

Finding the Fourth Proportional to 82,948.10, 124,422.15 and 62,212.10

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Solution

The fourth proportional to 82,948.10, 124,422.15 and 62,212.10 is: 93,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,948.10 : 124,422.15 = 62,212.10 : x
  2. Step 2: Convert to fraction form
    82,948.10/124,422.15 = 62,212.10/x
  3. Step 3: Cross multiply
    82,948.10x = 124,422.15 × 62,212.10
  4. Step 4: Simplify right side
    82,948.10x = 7,740,563,238.02
  5. Step 5: Solve for x
    x = 7,740,563,238.02/82,948.10
  6. Step 6: Final answer
    x = 93,318.15

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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.