Home / 127,517.54-175,973.70-70,928.92

Finding the Fourth Proportional to 127,517.54, 175,973.70 and 70,928.92

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Solution

The fourth proportional to 127,517.54, 175,973.70 and 70,928.92 is: 97,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,517.54 : 175,973.70 = 70,928.92 : x
  2. Step 2: Convert to fraction form
    127,517.54/175,973.70 = 70,928.92/x
  3. Step 3: Cross multiply
    127,517.54x = 175,973.70 × 70,928.92
  4. Step 4: Simplify right side
    127,517.54x = 12,481,624,489.40
  5. Step 5: Solve for x
    x = 12,481,624,489.40/127,517.54
  6. Step 6: Final answer
    x = 97,881.63

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1.5x scale

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.