Home / 113,270.49-156,317.78-62,287.40

Finding the Fourth Proportional to 113,270.49, 156,317.78 and 62,287.40

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Solution

The fourth proportional to 113,270.49, 156,317.78 and 62,287.40 is: 85,959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,270.49 : 156,317.78 = 62,287.40 : x
  2. Step 2: Convert to fraction form
    113,270.49/156,317.78 = 62,287.40/x
  3. Step 3: Cross multiply
    113,270.49x = 156,317.78 × 62,287.40
  4. Step 4: Simplify right side
    113,270.49x = 9,736,628,089.97
  5. Step 5: Solve for x
    x = 9,736,628,089.97/113,270.49
  6. Step 6: Final answer
    x = 85,959.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.