Home / 117,736.47-176,679.63-42,849.41

Finding the Fourth Proportional to 117,736.47, 176,679.63 and 42,849.41

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Solution

The fourth proportional to 117,736.47, 176,679.63 and 42,849.41 is: 64,301.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,736.47 : 176,679.63 = 42,849.41 : x
  2. Step 2: Convert to fraction form
    117,736.47/176,679.63 = 42,849.41/x
  3. Step 3: Cross multiply
    117,736.47x = 176,679.63 × 42,849.41
  4. Step 4: Simplify right side
    117,736.47x = 7,570,617,021.12
  5. Step 5: Solve for x
    x = 7,570,617,021.12/117,736.47
  6. Step 6: Final answer
    x = 64,301.38

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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.