Home / 127,346.74-175,738.54-70,758.12

Finding the Fourth Proportional to 127,346.74, 175,738.54 and 70,758.12

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Solution

The fourth proportional to 127,346.74, 175,738.54 and 70,758.12 is: 97,646.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,346.74 : 175,738.54 = 70,758.12 : x
  2. Step 2: Convert to fraction form
    127,346.74/175,738.54 = 70,758.12/x
  3. Step 3: Cross multiply
    127,346.74x = 175,738.54 × 70,758.12
  4. Step 4: Simplify right side
    127,346.74x = 12,434,928,701.94
  5. Step 5: Solve for x
    x = 12,434,928,701.94/127,346.74
  6. Step 6: Final answer
    x = 97,646.23

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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.