Home / 85,035.58-117,510.96-63,777.94

Finding the Fourth Proportional to 85,035.58, 117,510.96 and 63,777.94

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Solution

The fourth proportional to 85,035.58, 117,510.96 and 63,777.94 is: 88,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,035.58 : 117,510.96 = 63,777.94 : x
  2. Step 2: Convert to fraction form
    85,035.58/117,510.96 = 63,777.94/x
  3. Step 3: Cross multiply
    85,035.58x = 117,510.96 × 63,777.94
  4. Step 4: Simplify right side
    85,035.58x = 7,494,606,956.22
  5. Step 5: Solve for x
    x = 7,494,606,956.22/85,035.58
  6. Step 6: Final answer
    x = 88,134.95

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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.