Home / 76,670.13-115,005.77-26,750.03

Finding the Fourth Proportional to 76,670.13, 115,005.77 and 26,750.03

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Solution

The fourth proportional to 76,670.13, 115,005.77 and 26,750.03 is: 40,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,670.13 : 115,005.77 = 26,750.03 : x
  2. Step 2: Convert to fraction form
    76,670.13/115,005.77 = 26,750.03/x
  3. Step 3: Cross multiply
    76,670.13x = 115,005.77 × 26,750.03
  4. Step 4: Simplify right side
    76,670.13x = 3,076,407,088.89
  5. Step 5: Solve for x
    x = 3,076,407,088.89/76,670.13
  6. Step 6: Final answer
    x = 40,125.24

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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.