Home / 65,327.12-90,153.26-37,034.64

Finding the Fourth Proportional to 65,327.12, 90,153.26 and 37,034.64

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Solution

The fourth proportional to 65,327.12, 90,153.26 and 37,034.64 is: 51,108.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,327.12 : 90,153.26 = 37,034.64 : x
  2. Step 2: Convert to fraction form
    65,327.12/90,153.26 = 37,034.64/x
  3. Step 3: Cross multiply
    65,327.12x = 90,153.26 × 37,034.64
  4. Step 4: Simplify right side
    65,327.12x = 3,338,793,528.93
  5. Step 5: Solve for x
    x = 3,338,793,528.93/65,327.12
  6. Step 6: Final answer
    x = 51,108.84

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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.