Home / 115,541.60-159,362.04-73,059.20

Finding the Fourth Proportional to 115,541.60, 159,362.04 and 73,059.20

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Solution

The fourth proportional to 115,541.60, 159,362.04 and 73,059.20 is: 100,767.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,541.60 : 159,362.04 = 73,059.20 : x
  2. Step 2: Convert to fraction form
    115,541.60/159,362.04 = 73,059.20/x
  3. Step 3: Cross multiply
    115,541.60x = 159,362.04 × 73,059.20
  4. Step 4: Simplify right side
    115,541.60x = 11,642,863,152.77
  5. Step 5: Solve for x
    x = 11,642,863,152.77/115,541.60
  6. Step 6: Final answer
    x = 100,767.72

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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.