Home / 127,965.56-176,591.30-70,605.41

Finding the Fourth Proportional to 127,965.56, 176,591.30 and 70,605.41

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Solution

The fourth proportional to 127,965.56, 176,591.30 and 70,605.41 is: 97,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,965.56 : 176,591.30 = 70,605.41 : x
  2. Step 2: Convert to fraction form
    127,965.56/176,591.30 = 70,605.41/x
  3. Step 3: Cross multiply
    127,965.56x = 176,591.30 × 70,605.41
  4. Step 4: Simplify right side
    127,965.56x = 12,468,301,138.93
  5. Step 5: Solve for x
    x = 12,468,301,138.93/127,965.56
  6. Step 6: Final answer
    x = 97,434.82

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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.