Home / 61,157.15-84,397.77-35,662.80

Finding the Fourth Proportional to 61,157.15, 84,397.77 and 35,662.80

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Solution

The fourth proportional to 61,157.15, 84,397.77 and 35,662.80 is: 49,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,157.15 : 84,397.77 = 35,662.80 : x
  2. Step 2: Convert to fraction form
    61,157.15/84,397.77 = 35,662.80/x
  3. Step 3: Cross multiply
    61,157.15x = 84,397.77 × 35,662.80
  4. Step 4: Simplify right side
    61,157.15x = 3,009,861,108.45
  5. Step 5: Solve for x
    x = 3,009,861,108.45/61,157.15
  6. Step 6: Final answer
    x = 49,215.20

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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.