Home / 85,035.10-117,510.26-63,777.46

Finding the Fourth Proportional to 85,035.10, 117,510.26 and 63,777.46

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Solution

The fourth proportional to 85,035.10, 117,510.26 and 63,777.46 is: 88,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,035.10 : 117,510.26 = 63,777.46 : x
  2. Step 2: Convert to fraction form
    85,035.10/117,510.26 = 63,777.46/x
  3. Step 3: Cross multiply
    85,035.10x = 117,510.26 × 63,777.46
  4. Step 4: Simplify right side
    85,035.10x = 7,494,505,906.74
  5. Step 5: Solve for x
    x = 7,494,505,906.74/85,035.10
  6. Step 6: Final answer
    x = 88,134.26

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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.