Home / 81,192.24-112,044.60-46,743.72

Finding the Fourth Proportional to 81,192.24, 112,044.60 and 46,743.72

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Solution

The fourth proportional to 81,192.24, 112,044.60 and 46,743.72 is: 64,505.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,192.24 : 112,044.60 = 46,743.72 : x
  2. Step 2: Convert to fraction form
    81,192.24/112,044.60 = 46,743.72/x
  3. Step 3: Cross multiply
    81,192.24x = 112,044.60 × 46,743.72
  4. Step 4: Simplify right side
    81,192.24x = 5,237,380,989.74
  5. Step 5: Solve for x
    x = 5,237,380,989.74/81,192.24
  6. Step 6: Final answer
    x = 64,505.93

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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.