Home / 115,985.12-173,999.54-37,078.16

Finding the Fourth Proportional to 115,985.12, 173,999.54 and 37,078.16

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Solution

The fourth proportional to 115,985.12, 173,999.54 and 37,078.16 is: 55,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,985.12 : 173,999.54 = 37,078.16 : x
  2. Step 2: Convert to fraction form
    115,985.12/173,999.54 = 37,078.16/x
  3. Step 3: Cross multiply
    115,985.12x = 173,999.54 × 37,078.16
  4. Step 4: Simplify right side
    115,985.12x = 6,451,582,006.74
  5. Step 5: Solve for x
    x = 6,451,582,006.74/115,985.12
  6. Step 6: Final answer
    x = 55,624.22

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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.