Home / 115,586.29-159,495.51-64,599.04

Finding the Fourth Proportional to 115,586.29, 159,495.51 and 64,599.04

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Solution

The fourth proportional to 115,586.29, 159,495.51 and 64,599.04 is: 89,139.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,586.29 : 159,495.51 = 64,599.04 : x
  2. Step 2: Convert to fraction form
    115,586.29/159,495.51 = 64,599.04/x
  3. Step 3: Cross multiply
    115,586.29x = 159,495.51 × 64,599.04
  4. Step 4: Simplify right side
    115,586.29x = 10,303,256,830.31
  5. Step 5: Solve for x
    x = 10,303,256,830.31/115,586.29
  6. Step 6: Final answer
    x = 89,139.09

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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.