Home / 113,414.48-156,501.80-65,671.06

Finding the Fourth Proportional to 113,414.48, 156,501.80 and 65,671.06

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Solution

The fourth proportional to 113,414.48, 156,501.80 and 65,671.06 is: 90,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,414.48 : 156,501.80 = 65,671.06 : x
  2. Step 2: Convert to fraction form
    113,414.48/156,501.80 = 65,671.06/x
  3. Step 3: Cross multiply
    113,414.48x = 156,501.80 × 65,671.06
  4. Step 4: Simplify right side
    113,414.48x = 10,277,639,097.91
  5. Step 5: Solve for x
    x = 10,277,639,097.91/113,414.48
  6. Step 6: Final answer
    x = 90,620.17

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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.