Home / 47,173.17-65,112.72-28,066.32

Finding the Fourth Proportional to 47,173.17, 65,112.72 and 28,066.32

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Solution

The fourth proportional to 47,173.17, 65,112.72 and 28,066.32 is: 38,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,173.17 : 65,112.72 = 28,066.32 : x
  2. Step 2: Convert to fraction form
    47,173.17/65,112.72 = 28,066.32/x
  3. Step 3: Cross multiply
    47,173.17x = 65,112.72 × 28,066.32
  4. Step 4: Simplify right side
    47,173.17x = 1,827,474,435.59
  5. Step 5: Solve for x
    x = 1,827,474,435.59/47,173.17
  6. Step 6: Final answer
    x = 38,739.70

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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.