Home / 112,782.25-169,175.40-52,777.45

Finding the Fourth Proportional to 112,782.25, 169,175.40 and 52,777.45

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Solution

The fourth proportional to 112,782.25, 169,175.40 and 52,777.45 is: 79,167.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,782.25 : 169,175.40 = 52,777.45 : x
  2. Step 2: Convert to fraction form
    112,782.25/169,175.40 = 52,777.45/x
  3. Step 3: Cross multiply
    112,782.25x = 169,175.40 × 52,777.45
  4. Step 4: Simplify right side
    112,782.25x = 8,928,646,214.73
  5. Step 5: Solve for x
    x = 8,928,646,214.73/112,782.25
  6. Step 6: Final answer
    x = 79,167.12

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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.