Home / 117,811.53-176,729.58-67,947.93

Finding the Fourth Proportional to 117,811.53, 176,729.58 and 67,947.93

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Solution

The fourth proportional to 117,811.53, 176,729.58 and 67,947.93 is: 101,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,811.53 : 176,729.58 = 67,947.93 : x
  2. Step 2: Convert to fraction form
    117,811.53/176,729.58 = 67,947.93/x
  3. Step 3: Cross multiply
    117,811.53x = 176,729.58 × 67,947.93
  4. Step 4: Simplify right side
    117,811.53x = 12,008,409,130.77
  5. Step 5: Solve for x
    x = 12,008,409,130.77/117,811.53
  6. Step 6: Final answer
    x = 101,928.98

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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.