Home / 81,948.96-112,953.60-58,044.96

Finding the Fourth Proportional to 81,948.96, 112,953.60 and 58,044.96

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Solution

The fourth proportional to 81,948.96, 112,953.60 and 58,044.96 is: 80,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,948.96 : 112,953.60 = 58,044.96 : x
  2. Step 2: Convert to fraction form
    81,948.96/112,953.60 = 58,044.96/x
  3. Step 3: Cross multiply
    81,948.96x = 112,953.60 × 58,044.96
  4. Step 4: Simplify right side
    81,948.96x = 6,556,387,193.86
  5. Step 5: Solve for x
    x = 6,556,387,193.86/81,948.96
  6. Step 6: Final answer
    x = 80,005.74

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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.