Home / 77,842.37-116,781.02-23,811.77

Finding the Fourth Proportional to 77,842.37, 116,781.02 and 23,811.77

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Solution

The fourth proportional to 77,842.37, 116,781.02 and 23,811.77 is: 35,722.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,842.37 : 116,781.02 = 23,811.77 : x
  2. Step 2: Convert to fraction form
    77,842.37/116,781.02 = 23,811.77/x
  3. Step 3: Cross multiply
    77,842.37x = 116,781.02 × 23,811.77
  4. Step 4: Simplify right side
    77,842.37x = 2,780,762,085.64
  5. Step 5: Solve for x
    x = 2,780,762,085.64/77,842.37
  6. Step 6: Final answer
    x = 35,722.99

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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.