Home / 77,708.40-116,476.20-33,327.60

Finding the Fourth Proportional to 77,708.40, 116,476.20 and 33,327.60

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Solution

The fourth proportional to 77,708.40, 116,476.20 and 33,327.60 is: 49,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,708.40 : 116,476.20 = 33,327.60 : x
  2. Step 2: Convert to fraction form
    77,708.40/116,476.20 = 33,327.60/x
  3. Step 3: Cross multiply
    77,708.40x = 116,476.20 × 33,327.60
  4. Step 4: Simplify right side
    77,708.40x = 3,881,872,203.12
  5. Step 5: Solve for x
    x = 3,881,872,203.12/77,708.40
  6. Step 6: Final answer
    x = 49,954.34

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1.5x scale

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.