Home / 127,079.96-175,391.37-70,509.56

Finding the Fourth Proportional to 127,079.96, 175,391.37 and 70,509.56

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Solution

The fourth proportional to 127,079.96, 175,391.37 and 70,509.56 is: 97,314.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,079.96 : 175,391.37 = 70,509.56 : x
  2. Step 2: Convert to fraction form
    127,079.96/175,391.37 = 70,509.56/x
  3. Step 3: Cross multiply
    127,079.96x = 175,391.37 × 70,509.56
  4. Step 4: Simplify right side
    127,079.96x = 12,366,768,326.50
  5. Step 5: Solve for x
    x = 12,366,768,326.50/127,079.96
  6. Step 6: Final answer
    x = 97,314.86

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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.