Home / 117,711.40-176,502.30-47,511.40

Finding the Fourth Proportional to 117,711.40, 176,502.30 and 47,511.40

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Solution

The fourth proportional to 117,711.40, 176,502.30 and 47,511.40 is: 71,240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,711.40 : 176,502.30 = 47,511.40 : x
  2. Step 2: Convert to fraction form
    117,711.40/176,502.30 = 47,511.40/x
  3. Step 3: Cross multiply
    117,711.40x = 176,502.30 × 47,511.40
  4. Step 4: Simplify right side
    117,711.40x = 8,385,871,376.22
  5. Step 5: Solve for x
    x = 8,385,871,376.22/117,711.40
  6. Step 6: Final answer
    x = 71,240.95

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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.