Home / 116,588.40-174,872.88-69,807.12

Finding the Fourth Proportional to 116,588.40, 174,872.88 and 69,807.12

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Solution

The fourth proportional to 116,588.40, 174,872.88 and 69,807.12 is: 104,704.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,588.40 : 174,872.88 = 69,807.12 : x
  2. Step 2: Convert to fraction form
    116,588.40/174,872.88 = 69,807.12/x
  3. Step 3: Cross multiply
    116,588.40x = 174,872.88 × 69,807.12
  4. Step 4: Simplify right side
    116,588.40x = 12,207,372,118.91
  5. Step 5: Solve for x
    x = 12,207,372,118.91/116,588.40
  6. Step 6: Final answer
    x = 104,704.86

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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.