Home / 77,255.29-106,596.88-47,020.36

Finding the Fourth Proportional to 77,255.29, 106,596.88 and 47,020.36

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Solution

The fourth proportional to 77,255.29, 106,596.88 and 47,020.36 is: 64,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,255.29 : 106,596.88 = 47,020.36 : x
  2. Step 2: Convert to fraction form
    77,255.29/106,596.88 = 47,020.36/x
  3. Step 3: Cross multiply
    77,255.29x = 106,596.88 × 47,020.36
  4. Step 4: Simplify right side
    77,255.29x = 5,012,223,672.48
  5. Step 5: Solve for x
    x = 5,012,223,672.48/77,255.29
  6. Step 6: Final answer
    x = 64,878.71

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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.