Home / 113,571.10-170,356.65-54,376.30

Finding the Fourth Proportional to 113,571.10, 170,356.65 and 54,376.30

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Solution

The fourth proportional to 113,571.10, 170,356.65 and 54,376.30 is: 81,564.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,571.10 : 170,356.65 = 54,376.30 : x
  2. Step 2: Convert to fraction form
    113,571.10/170,356.65 = 54,376.30/x
  3. Step 3: Cross multiply
    113,571.10x = 170,356.65 × 54,376.30
  4. Step 4: Simplify right side
    113,571.10x = 9,263,364,307.40
  5. Step 5: Solve for x
    x = 9,263,364,307.40/113,571.10
  6. Step 6: Final answer
    x = 81,564.45

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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.