Home / 107,120.88-147,811.50-59,376.96

Finding the Fourth Proportional to 107,120.88, 147,811.50 and 59,376.96

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Solution

The fourth proportional to 107,120.88, 147,811.50 and 59,376.96 is: 81,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,120.88 : 147,811.50 = 59,376.96 : x
  2. Step 2: Convert to fraction form
    107,120.88/147,811.50 = 59,376.96/x
  3. Step 3: Cross multiply
    107,120.88x = 147,811.50 × 59,376.96
  4. Step 4: Simplify right side
    107,120.88x = 8,776,597,523.04
  5. Step 5: Solve for x
    x = 8,776,597,523.04/107,120.88
  6. Step 6: Final answer
    x = 81,931.72

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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.