Home / 91,496.94-137,258.53-28,322.61

Finding the Fourth Proportional to 91,496.94, 137,258.53 and 28,322.61

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Solution

The fourth proportional to 91,496.94, 137,258.53 and 28,322.61 is: 42,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,496.94 : 137,258.53 = 28,322.61 : x
  2. Step 2: Convert to fraction form
    91,496.94/137,258.53 = 28,322.61/x
  3. Step 3: Cross multiply
    91,496.94x = 137,258.53 × 28,322.61
  4. Step 4: Simplify right side
    91,496.94x = 3,887,519,814.36
  5. Step 5: Solve for x
    x = 3,887,519,814.36/91,496.94
  6. Step 6: Final answer
    x = 42,487.98

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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.