Home / 93,897.24-140,986.57-81,285.90

Finding the Fourth Proportional to 93,897.24, 140,986.57 and 81,285.90

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Solution

The fourth proportional to 93,897.24, 140,986.57 and 81,285.90 is: 122,050.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,897.24 : 140,986.57 = 81,285.90 : x
  2. Step 2: Convert to fraction form
    93,897.24/140,986.57 = 81,285.90/x
  3. Step 3: Cross multiply
    93,897.24x = 140,986.57 × 81,285.90
  4. Step 4: Simplify right side
    93,897.24x = 11,460,220,454.24
  5. Step 5: Solve for x
    x = 11,460,220,454.24/93,897.24
  6. Step 6: Final answer
    x = 122,050.66

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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.