Home / 56,971.15-85,410.93-39,149.00

Finding the Fourth Proportional to 56,971.15, 85,410.93 and 39,149.00

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Solution

The fourth proportional to 56,971.15, 85,410.93 and 39,149.00 is: 58,692.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,971.15 : 85,410.93 = 39,149.00 : x
  2. Step 2: Convert to fraction form
    56,971.15/85,410.93 = 39,149.00/x
  3. Step 3: Cross multiply
    56,971.15x = 85,410.93 × 39,149.00
  4. Step 4: Simplify right side
    56,971.15x = 3,343,752,712.10
  5. Step 5: Solve for x
    x = 3,343,752,712.10/56,971.15
  6. Step 6: Final answer
    x = 58,692.04

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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.