Home / 77,318.48-106,597.96-55,790.16

Finding the Fourth Proportional to 77,318.48, 106,597.96 and 55,790.16

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Solution

The fourth proportional to 77,318.48, 106,597.96 and 55,790.16 is: 76,917.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,318.48 : 106,597.96 = 55,790.16 : x
  2. Step 2: Convert to fraction form
    77,318.48/106,597.96 = 55,790.16/x
  3. Step 3: Cross multiply
    77,318.48x = 106,597.96 × 55,790.16
  4. Step 4: Simplify right side
    77,318.48x = 5,947,117,244.07
  5. Step 5: Solve for x
    x = 5,947,117,244.07/77,318.48
  6. Step 6: Final answer
    x = 76,917.15

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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.