Home / 56,120.04-77,445.60-35,976.90

Finding the Fourth Proportional to 56,120.04, 77,445.60 and 35,976.90

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Solution

The fourth proportional to 56,120.04, 77,445.60 and 35,976.90 is: 49,648.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,120.04 : 77,445.60 = 35,976.90 : x
  2. Step 2: Convert to fraction form
    56,120.04/77,445.60 = 35,976.90/x
  3. Step 3: Cross multiply
    56,120.04x = 77,445.60 × 35,976.90
  4. Step 4: Simplify right side
    56,120.04x = 2,786,252,606.64
  5. Step 5: Solve for x
    x = 2,786,252,606.64/56,120.04
  6. Step 6: Final answer
    x = 49,648.09

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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.