Home / 97,822.80-134,753.64-83,435.76

Finding the Fourth Proportional to 97,822.80, 134,753.64 and 83,435.76

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Solution

The fourth proportional to 97,822.80, 134,753.64 and 83,435.76 is: 114,935.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,822.80 : 134,753.64 = 83,435.76 : x
  2. Step 2: Convert to fraction form
    97,822.80/134,753.64 = 83,435.76/x
  3. Step 3: Cross multiply
    97,822.80x = 134,753.64 × 83,435.76
  4. Step 4: Simplify right side
    97,822.80x = 11,243,272,366.17
  5. Step 5: Solve for x
    x = 11,243,272,366.17/97,822.80
  6. Step 6: Final answer
    x = 114,935.09

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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.