Home / 112,314.57-154,992.92-61,327.14

Finding the Fourth Proportional to 112,314.57, 154,992.92 and 61,327.14

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Solution

The fourth proportional to 112,314.57, 154,992.92 and 61,327.14 is: 84,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,314.57 : 154,992.92 = 61,327.14 : x
  2. Step 2: Convert to fraction form
    112,314.57/154,992.92 = 61,327.14/x
  3. Step 3: Cross multiply
    112,314.57x = 154,992.92 × 61,327.14
  4. Step 4: Simplify right side
    112,314.57x = 9,505,272,197.21
  5. Step 5: Solve for x
    x = 9,505,272,197.21/112,314.57
  6. Step 6: Final answer
    x = 84,630.80

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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.