Home / 115,259.99-172,848.38-48,705.26

Finding the Fourth Proportional to 115,259.99, 172,848.38 and 48,705.26

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Solution

The fourth proportional to 115,259.99, 172,848.38 and 48,705.26 is: 73,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,259.99 : 172,848.38 = 48,705.26 : x
  2. Step 2: Convert to fraction form
    115,259.99/172,848.38 = 48,705.26/x
  3. Step 3: Cross multiply
    115,259.99x = 172,848.38 × 48,705.26
  4. Step 4: Simplify right side
    115,259.99x = 8,418,624,180.71
  5. Step 5: Solve for x
    x = 8,418,624,180.71/115,259.99
  6. Step 6: Final answer
    x = 73,040.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.