Home / 47,077.80-65,009.55-35,120.37

Finding the Fourth Proportional to 47,077.80, 65,009.55 and 35,120.37

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Solution

The fourth proportional to 47,077.80, 65,009.55 and 35,120.37 is: 48,497.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,077.80 : 65,009.55 = 35,120.37 : x
  2. Step 2: Convert to fraction form
    47,077.80/65,009.55 = 35,120.37/x
  3. Step 3: Cross multiply
    47,077.80x = 65,009.55 × 35,120.37
  4. Step 4: Simplify right side
    47,077.80x = 2,283,159,449.53
  5. Step 5: Solve for x
    x = 2,283,159,449.53/47,077.80
  6. Step 6: Final answer
    x = 48,497.58

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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.