Home / 115,566.44-159,479.64-64,580.24

Finding the Fourth Proportional to 115,566.44, 159,479.64 and 64,580.24

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Solution

The fourth proportional to 115,566.44, 159,479.64 and 64,580.24 is: 89,119.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,566.44 : 159,479.64 = 64,580.24 : x
  2. Step 2: Convert to fraction form
    115,566.44/159,479.64 = 64,580.24/x
  3. Step 3: Cross multiply
    115,566.44x = 159,479.64 × 64,580.24
  4. Step 4: Simplify right side
    115,566.44x = 10,299,233,426.31
  5. Step 5: Solve for x
    x = 10,299,233,426.31/115,566.44
  6. Step 6: Final answer
    x = 89,119.59

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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.