Home / 112,683.60-155,499.48-62,379.36

Finding the Fourth Proportional to 112,683.60, 155,499.48 and 62,379.36

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Solution

The fourth proportional to 112,683.60, 155,499.48 and 62,379.36 is: 86,081.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,683.60 : 155,499.48 = 62,379.36 : x
  2. Step 2: Convert to fraction form
    112,683.60/155,499.48 = 62,379.36/x
  3. Step 3: Cross multiply
    112,683.60x = 155,499.48 × 62,379.36
  4. Step 4: Simplify right side
    112,683.60x = 9,699,958,042.73
  5. Step 5: Solve for x
    x = 9,699,958,042.73/112,683.60
  6. Step 6: Final answer
    x = 86,081.36

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1.5x scale

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.