Home / 116,305.12-160,509.36-66,007.36

Finding the Fourth Proportional to 116,305.12, 160,509.36 and 66,007.36

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Solution

The fourth proportional to 116,305.12, 160,509.36 and 66,007.36 is: 91,094.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,305.12 : 160,509.36 = 66,007.36 : x
  2. Step 2: Convert to fraction form
    116,305.12/160,509.36 = 66,007.36/x
  3. Step 3: Cross multiply
    116,305.12x = 160,509.36 × 66,007.36
  4. Step 4: Simplify right side
    116,305.12x = 10,594,799,108.89
  5. Step 5: Solve for x
    x = 10,594,799,108.89/116,305.12
  6. Step 6: Final answer
    x = 91,094.86

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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.