Home / 55,140.92-76,094.46-31,267.59

Finding the Fourth Proportional to 55,140.92, 76,094.46 and 31,267.59

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Solution

The fourth proportional to 55,140.92, 76,094.46 and 31,267.59 is: 43,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,140.92 : 76,094.46 = 31,267.59 : x
  2. Step 2: Convert to fraction form
    55,140.92/76,094.46 = 31,267.59/x
  3. Step 3: Cross multiply
    55,140.92x = 76,094.46 × 31,267.59
  4. Step 4: Simplify right side
    55,140.92x = 2,379,290,376.55
  5. Step 5: Solve for x
    x = 2,379,290,376.55/55,140.92
  6. Step 6: Final answer
    x = 43,149.27

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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.