Home / 93,590.40-140,385.60-82,876.80

Finding the Fourth Proportional to 93,590.40, 140,385.60 and 82,876.80

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Solution

The fourth proportional to 93,590.40, 140,385.60 and 82,876.80 is: 124,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,590.40 : 140,385.60 = 82,876.80 : x
  2. Step 2: Convert to fraction form
    93,590.40/140,385.60 = 82,876.80/x
  3. Step 3: Cross multiply
    93,590.40x = 140,385.60 × 82,876.80
  4. Step 4: Simplify right side
    93,590.40x = 11,634,709,294.08
  5. Step 5: Solve for x
    x = 11,634,709,294.08/93,590.40
  6. Step 6: Final answer
    x = 124,315.20

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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.