Home / 97,940.40-146,910.60-58,477.20

Finding the Fourth Proportional to 97,940.40, 146,910.60 and 58,477.20

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Solution

The fourth proportional to 97,940.40, 146,910.60 and 58,477.20 is: 87,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,940.40 : 146,910.60 = 58,477.20 : x
  2. Step 2: Convert to fraction form
    97,940.40/146,910.60 = 58,477.20/x
  3. Step 3: Cross multiply
    97,940.40x = 146,910.60 × 58,477.20
  4. Step 4: Simplify right side
    97,940.40x = 8,590,920,538.32
  5. Step 5: Solve for x
    x = 8,590,920,538.32/97,940.40
  6. Step 6: Final answer
    x = 87,715.80

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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.