Home / 127,982.80-176,606.53-70,624.41

Finding the Fourth Proportional to 127,982.80, 176,606.53 and 70,624.41

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Solution

The fourth proportional to 127,982.80, 176,606.53 and 70,624.41 is: 97,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,982.80 : 176,606.53 = 70,624.41 : x
  2. Step 2: Convert to fraction form
    127,982.80/176,606.53 = 70,624.41/x
  3. Step 3: Cross multiply
    127,982.80x = 176,606.53 × 70,624.41
  4. Step 4: Simplify right side
    127,982.80x = 12,472,731,983.40
  5. Step 5: Solve for x
    x = 12,472,731,983.40/127,982.80
  6. Step 6: Final answer
    x = 97,456.31

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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.