Home / 77,958.27-107,445.56-62,095.23

Finding the Fourth Proportional to 77,958.27, 107,445.56 and 62,095.23

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Solution

The fourth proportional to 77,958.27, 107,445.56 and 62,095.23 is: 85,582.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,958.27 : 107,445.56 = 62,095.23 : x
  2. Step 2: Convert to fraction form
    77,958.27/107,445.56 = 62,095.23/x
  3. Step 3: Cross multiply
    77,958.27x = 107,445.56 × 62,095.23
  4. Step 4: Simplify right side
    77,958.27x = 6,671,856,450.20
  5. Step 5: Solve for x
    x = 6,671,856,450.20/77,958.27
  6. Step 6: Final answer
    x = 85,582.41

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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.