Home / 117,489.87-176,176.96-42,598.82

Finding the Fourth Proportional to 117,489.87, 176,176.96 and 42,598.82

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Solution

The fourth proportional to 117,489.87, 176,176.96 and 42,598.82 is: 63,877.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,489.87 : 176,176.96 = 42,598.82 : x
  2. Step 2: Convert to fraction form
    117,489.87/176,176.96 = 42,598.82/x
  3. Step 3: Cross multiply
    117,489.87x = 176,176.96 × 42,598.82
  4. Step 4: Simplify right side
    117,489.87x = 7,504,930,941.13
  5. Step 5: Solve for x
    x = 7,504,930,941.13/117,489.87
  6. Step 6: Final answer
    x = 63,877.26

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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.