Home / 115,559.64-159,470.22-64,573.32

Finding the Fourth Proportional to 115,559.64, 159,470.22 and 64,573.32

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Solution

The fourth proportional to 115,559.64, 159,470.22 and 64,573.32 is: 89,110.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,559.64 : 159,470.22 = 64,573.32 : x
  2. Step 2: Convert to fraction form
    115,559.64/159,470.22 = 64,573.32/x
  3. Step 3: Cross multiply
    115,559.64x = 159,470.22 × 64,573.32
  4. Step 4: Simplify right side
    115,559.64x = 10,297,521,546.53
  5. Step 5: Solve for x
    x = 10,297,521,546.53/115,559.64
  6. Step 6: Final answer
    x = 89,110.02

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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.