Home / 117,890.40-176,835.60-61,708.80

Finding the Fourth Proportional to 117,890.40, 176,835.60 and 61,708.80

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Solution

The fourth proportional to 117,890.40, 176,835.60 and 61,708.80 is: 92,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,890.40 : 176,835.60 = 61,708.80 : x
  2. Step 2: Convert to fraction form
    117,890.40/176,835.60 = 61,708.80/x
  3. Step 3: Cross multiply
    117,890.40x = 176,835.60 × 61,708.80
  4. Step 4: Simplify right side
    117,890.40x = 10,912,312,673.28
  5. Step 5: Solve for x
    x = 10,912,312,673.28/117,890.40
  6. Step 6: Final answer
    x = 92,563.20

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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.