Home / 106,845.12-160,318.08-47,675.52

Finding the Fourth Proportional to 106,845.12, 160,318.08 and 47,675.52

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Solution

The fourth proportional to 106,845.12, 160,318.08 and 47,675.52 is: 71,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,845.12 : 160,318.08 = 47,675.52 : x
  2. Step 2: Convert to fraction form
    106,845.12/160,318.08 = 47,675.52/x
  3. Step 3: Cross multiply
    106,845.12x = 160,318.08 × 47,675.52
  4. Step 4: Simplify right side
    106,845.12x = 7,643,247,829.40
  5. Step 5: Solve for x
    x = 7,643,247,829.40/106,845.12
  6. Step 6: Final answer
    x = 71,535.77

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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.