Home / 77,609.18-107,015.91-52,414.94

Finding the Fourth Proportional to 77,609.18, 107,015.91 and 52,414.94

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Solution

The fourth proportional to 77,609.18, 107,015.91 and 52,414.94 is: 72,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,609.18 : 107,015.91 = 52,414.94 : x
  2. Step 2: Convert to fraction form
    77,609.18/107,015.91 = 52,414.94/x
  3. Step 3: Cross multiply
    77,609.18x = 107,015.91 × 52,414.94
  4. Step 4: Simplify right side
    77,609.18x = 5,609,232,501.70
  5. Step 5: Solve for x
    x = 5,609,232,501.70/77,609.18
  6. Step 6: Final answer
    x = 72,275.37

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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.