Home / 58,789.68-80,889.48-50,806.32

Finding the Fourth Proportional to 58,789.68, 80,889.48 and 50,806.32

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Solution

The fourth proportional to 58,789.68, 80,889.48 and 50,806.32 is: 69,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,789.68 : 80,889.48 = 50,806.32 : x
  2. Step 2: Convert to fraction form
    58,789.68/80,889.48 = 50,806.32/x
  3. Step 3: Cross multiply
    58,789.68x = 80,889.48 × 50,806.32
  4. Step 4: Simplify right side
    58,789.68x = 4,109,696,805.51
  5. Step 5: Solve for x
    x = 4,109,696,805.51/58,789.68
  6. Step 6: Final answer
    x = 69,905.07

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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.