Home / 85,701.87-118,269.09-47,462.58

Finding the Fourth Proportional to 85,701.87, 118,269.09 and 47,462.58

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Solution

The fourth proportional to 85,701.87, 118,269.09 and 47,462.58 is: 65,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,701.87 : 118,269.09 = 47,462.58 : x
  2. Step 2: Convert to fraction form
    85,701.87/118,269.09 = 47,462.58/x
  3. Step 3: Cross multiply
    85,701.87x = 118,269.09 × 47,462.58
  4. Step 4: Simplify right side
    85,701.87x = 5,613,356,145.65
  5. Step 5: Solve for x
    x = 5,613,356,145.65/85,701.87
  6. Step 6: Final answer
    x = 65,498.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.