Home / 127,445.67-175,879.53-70,089.37

Finding the Fourth Proportional to 127,445.67, 175,879.53 and 70,089.37

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Solution

The fourth proportional to 127,445.67, 175,879.53 and 70,089.37 is: 96,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,445.67 : 175,879.53 = 70,089.37 : x
  2. Step 2: Convert to fraction form
    127,445.67/175,879.53 = 70,089.37/x
  3. Step 3: Cross multiply
    127,445.67x = 175,879.53 × 70,089.37
  4. Step 4: Simplify right side
    127,445.67x = 12,327,285,013.90
  5. Step 5: Solve for x
    x = 12,327,285,013.90/127,445.67
  6. Step 6: Final answer
    x = 96,725.80

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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.