Home / 85,151.07-127,741.64-35,203.18

Finding the Fourth Proportional to 85,151.07, 127,741.64 and 35,203.18

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Solution

The fourth proportional to 85,151.07, 127,741.64 and 35,203.18 is: 52,810.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,151.07 : 127,741.64 = 35,203.18 : x
  2. Step 2: Convert to fraction form
    85,151.07/127,741.64 = 35,203.18/x
  3. Step 3: Cross multiply
    85,151.07x = 127,741.64 × 35,203.18
  4. Step 4: Simplify right side
    85,151.07x = 4,496,912,396.37
  5. Step 5: Solve for x
    x = 4,496,912,396.37/85,151.07
  6. Step 6: Final answer
    x = 52,810.99

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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.