Home / 115,416.24-159,273.75-64,426.02

Finding the Fourth Proportional to 115,416.24, 159,273.75 and 64,426.02

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Solution

The fourth proportional to 115,416.24, 159,273.75 and 64,426.02 is: 88,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,416.24 : 159,273.75 = 64,426.02 : x
  2. Step 2: Convert to fraction form
    115,416.24/159,273.75 = 64,426.02/x
  3. Step 3: Cross multiply
    115,416.24x = 159,273.75 × 64,426.02
  4. Step 4: Simplify right side
    115,416.24x = 10,261,373,802.98
  5. Step 5: Solve for x
    x = 10,261,373,802.98/115,416.24
  6. Step 6: Final answer
    x = 88,907.54

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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.