Home / 113,845.59-157,102.79-62,857.22

Finding the Fourth Proportional to 113,845.59, 157,102.79 and 62,857.22

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Solution

The fourth proportional to 113,845.59, 157,102.79 and 62,857.22 is: 86,740.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,845.59 : 157,102.79 = 62,857.22 : x
  2. Step 2: Convert to fraction form
    113,845.59/157,102.79 = 62,857.22/x
  3. Step 3: Cross multiply
    113,845.59x = 157,102.79 × 62,857.22
  4. Step 4: Simplify right side
    113,845.59x = 9,875,043,533.84
  5. Step 5: Solve for x
    x = 9,875,043,533.84/113,845.59
  6. Step 6: Final answer
    x = 86,740.68

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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.