Home / 117,653.02-176,334.94-54,387.57

Finding the Fourth Proportional to 117,653.02, 176,334.94 and 54,387.57

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Solution

The fourth proportional to 117,653.02, 176,334.94 and 54,387.57 is: 81,514.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,653.02 : 176,334.94 = 54,387.57 : x
  2. Step 2: Convert to fraction form
    117,653.02/176,334.94 = 54,387.57/x
  3. Step 3: Cross multiply
    117,653.02x = 176,334.94 × 54,387.57
  4. Step 4: Simplify right side
    117,653.02x = 9,590,428,892.70
  5. Step 5: Solve for x
    x = 9,590,428,892.70/117,653.02
  6. Step 6: Final answer
    x = 81,514.52

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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.