Home / 84,330.77-116,372.63-52,079.81

Finding the Fourth Proportional to 84,330.77, 116,372.63 and 52,079.81

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Solution

The fourth proportional to 84,330.77, 116,372.63 and 52,079.81 is: 71,867.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,330.77 : 116,372.63 = 52,079.81 : x
  2. Step 2: Convert to fraction form
    84,330.77/116,372.63 = 52,079.81/x
  3. Step 3: Cross multiply
    84,330.77x = 116,372.63 × 52,079.81
  4. Step 4: Simplify right side
    84,330.77x = 6,060,664,007.94
  5. Step 5: Solve for x
    x = 6,060,664,007.94/84,330.77
  6. Step 6: Final answer
    x = 71,867.77

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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.