Home / 56,906.49-85,337.87-39,323.01

Finding the Fourth Proportional to 56,906.49, 85,337.87 and 39,323.01

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Solution

The fourth proportional to 56,906.49, 85,337.87 and 39,323.01 is: 58,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,906.49 : 85,337.87 = 39,323.01 : x
  2. Step 2: Convert to fraction form
    56,906.49/85,337.87 = 39,323.01/x
  3. Step 3: Cross multiply
    56,906.49x = 85,337.87 × 39,323.01
  4. Step 4: Simplify right side
    56,906.49x = 3,355,741,718.77
  5. Step 5: Solve for x
    x = 3,355,741,718.77/56,906.49
  6. Step 6: Final answer
    x = 58,969.40

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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.