Home / 68,010.90-93,818.07-43,435.86

Finding the Fourth Proportional to 68,010.90, 93,818.07 and 43,435.86

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Solution

The fourth proportional to 68,010.90, 93,818.07 and 43,435.86 is: 59,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,010.90 : 93,818.07 = 43,435.86 : x
  2. Step 2: Convert to fraction form
    68,010.90/93,818.07 = 43,435.86/x
  3. Step 3: Cross multiply
    68,010.90x = 93,818.07 × 43,435.86
  4. Step 4: Simplify right side
    68,010.90x = 4,075,068,553.99
  5. Step 5: Solve for x
    x = 4,075,068,553.99/68,010.90
  6. Step 6: Final answer
    x = 59,917.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.