Home / 113,955.12-170,880.71-47,355.57

Finding the Fourth Proportional to 113,955.12, 170,880.71 and 47,355.57

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Solution

The fourth proportional to 113,955.12, 170,880.71 and 47,355.57 is: 71,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,955.12 : 170,880.71 = 47,355.57 : x
  2. Step 2: Convert to fraction form
    113,955.12/170,880.71 = 47,355.57/x
  3. Step 3: Cross multiply
    113,955.12x = 170,880.71 × 47,355.57
  4. Step 4: Simplify right side
    113,955.12x = 8,092,153,187.28
  5. Step 5: Solve for x
    x = 8,092,153,187.28/113,955.12
  6. Step 6: Final answer
    x = 71,011.76

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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.