Home / 77,888.46-116,749.26-55,634.34

Finding the Fourth Proportional to 77,888.46, 116,749.26 and 55,634.34

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Solution

The fourth proportional to 77,888.46, 116,749.26 and 55,634.34 is: 83,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,888.46 : 116,749.26 = 55,634.34 : x
  2. Step 2: Convert to fraction form
    77,888.46/116,749.26 = 55,634.34/x
  3. Step 3: Cross multiply
    77,888.46x = 116,749.26 × 55,634.34
  4. Step 4: Simplify right side
    77,888.46x = 6,495,268,025.59
  5. Step 5: Solve for x
    x = 6,495,268,025.59/77,888.46
  6. Step 6: Final answer
    x = 83,391.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.