Home / 115,585.29-159,494.13-64,598.04

Finding the Fourth Proportional to 115,585.29, 159,494.13 and 64,598.04

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Solution

The fourth proportional to 115,585.29, 159,494.13 and 64,598.04 is: 89,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,585.29 : 159,494.13 = 64,598.04 : x
  2. Step 2: Convert to fraction form
    115,585.29/159,494.13 = 64,598.04/x
  3. Step 3: Cross multiply
    115,585.29x = 159,494.13 × 64,598.04
  4. Step 4: Simplify right side
    115,585.29x = 10,303,008,189.51
  5. Step 5: Solve for x
    x = 10,303,008,189.51/115,585.29
  6. Step 6: Final answer
    x = 89,137.71

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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.