Home / 118,048.02-162,777.64-79,741.07

Finding the Fourth Proportional to 118,048.02, 162,777.64 and 79,741.07

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Solution

The fourth proportional to 118,048.02, 162,777.64 and 79,741.07 is: 109,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,048.02 : 162,777.64 = 79,741.07 : x
  2. Step 2: Convert to fraction form
    118,048.02/162,777.64 = 79,741.07/x
  3. Step 3: Cross multiply
    118,048.02x = 162,777.64 × 79,741.07
  4. Step 4: Simplify right side
    118,048.02x = 12,980,063,945.24
  5. Step 5: Solve for x
    x = 12,980,063,945.24/118,048.02
  6. Step 6: Final answer
    x = 109,955.79

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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.