Home / 85,150.51-127,741.23-35,203.48

Finding the Fourth Proportional to 85,150.51, 127,741.23 and 35,203.48

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Solution

The fourth proportional to 85,150.51, 127,741.23 and 35,203.48 is: 52,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,150.51 : 127,741.23 = 35,203.48 : x
  2. Step 2: Convert to fraction form
    85,150.51/127,741.23 = 35,203.48/x
  3. Step 3: Cross multiply
    85,150.51x = 127,741.23 × 35,203.48
  4. Step 4: Simplify right side
    85,150.51x = 4,496,935,835.48
  5. Step 5: Solve for x
    x = 4,496,935,835.48/85,150.51
  6. Step 6: Final answer
    x = 52,811.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.