Home / 117,675.59-176,520.87-38,790.50

Finding the Fourth Proportional to 117,675.59, 176,520.87 and 38,790.50

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Solution

The fourth proportional to 117,675.59, 176,520.87 and 38,790.50 is: 58,188.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,675.59 : 176,520.87 = 38,790.50 : x
  2. Step 2: Convert to fraction form
    117,675.59/176,520.87 = 38,790.50/x
  3. Step 3: Cross multiply
    117,675.59x = 176,520.87 × 38,790.50
  4. Step 4: Simplify right side
    117,675.59x = 6,847,331,925.13
  5. Step 5: Solve for x
    x = 6,847,331,925.13/117,675.59
  6. Step 6: Final answer
    x = 58,188.21

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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.