Home / 75,740.84-104,520.90-41,285.87

Finding the Fourth Proportional to 75,740.84, 104,520.90 and 41,285.87

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Solution

The fourth proportional to 75,740.84, 104,520.90 and 41,285.87 is: 56,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,740.84 : 104,520.90 = 41,285.87 : x
  2. Step 2: Convert to fraction form
    75,740.84/104,520.90 = 41,285.87/x
  3. Step 3: Cross multiply
    75,740.84x = 104,520.90 × 41,285.87
  4. Step 4: Simplify right side
    75,740.84x = 4,315,235,921.90
  5. Step 5: Solve for x
    x = 4,315,235,921.90/75,740.84
  6. Step 6: Final answer
    x = 56,973.70

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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.